{"id":711,"date":"2022-11-06T11:26:57","date_gmt":"2022-11-06T11:26:57","guid":{"rendered":"http:\/\/robinluo.top\/?p=711"},"modified":"2022-11-06T11:27:15","modified_gmt":"2022-11-06T11:27:15","slug":"c-databinding-2","status":"publish","type":"post","link":"https:\/\/robinluo.top\/?p=711","title":{"rendered":"C# DataBinding"},"content":{"rendered":"\n

\"\"<\/p>\n\n\n\n

 \u4e0b\u9762\u6211\u6f14\u793a\u4e00\u4e0b\u4f7f\u7528\u6570\u636e\u7ed1\u5b9a\u7684\u60c5\u51b5\u4f1a\u5982\u4f55
    Form2\u7684\u754c\u9762\u548cForm1\u7684\u754c\u9762\u4e00\u81f4\uff0c\u4f60\u53ef\u4ee5\u91cd\u590d\u4f60\u5728Form1\u4e2d\u6240\u505a\u7684\u4e8b\u60c5\uff0c\u770b\u770b\u4f1a\u600e\u4e48\u6837\u3002\u6ce8\u610f\u4e00\u70b9\uff0c\u5f53\u4f60\u4fee\u6539\u4e86\u63a7\u4ef6\u4e2d\u7684\u6570\u636e\u540e\u8bf7\u5c06\u9f20\u6807\u79fb\u52a8\u5230\u5176\u4ed6\u7684\u63a7\u4ef6\u4e0a\u53bb\uff0c\u4ee5\u4fbf\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u53ef\u4ee5\u5e2e\u4f60\u505a\u6570\u636e\u540c\u6b65\u7684\u4e8b\u60c5\u3002
    Form2\u7684\u4ee3\u7801\uff1a
     1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.ComponentModel;
 4\"\"using System.Data;
 5\"\"using System.Drawing;
 6\"\"using System.Text;
 7\"\"using System.Windows.Forms;
 8\"\"
 9\"\"namespace SimplyDataBinding
10\"\"{
11\"\"    public partial class Form2 : Form
12\"\"    {
13\"\"        Person person;
14\"\"        public Form2()
15\"\"        {
16\"\"            InitializeComponent();
17\"\"            person = new Person(“Cai”, “Peng”, 32);
18\"\"            this.txtFirstname1.DataBindings.Add(“Text”, person, “Firstname”);
19\"\"            this.txtLastname1.DataBindings.Add(“Text”, person, “Lastname”);
20\"\"            this.txtAge1.DataBindings.Add(“Text”, person, “Age”);
21\"\"            this.txtFirstname2.DataBindings.Add(“Text”, person, “Firstname”);
22\"\"            this.txtLastname2.DataBindings.Add(“Text”, person, “Lastname”);
23\"\"            this.txtAge2.DataBindings.Add(“Text”, person, “Age”);
24\"\"
25\"\"        }
26\"\"    }
27\"\"}<\/p>\n\n\n\n


    \u4f60\u4eec\u5e94\u8be5\u53ef\u4ee5\u53d1\u73b0\u8fd9\u6bb5\u4ee3\u7801\u548cForm1\u4e2d\u7684\u4ee3\u7801\u7684\u533a\u522b\u4e86\u5427\u3002\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u4ee5\u6570\u636e\u7ed1\u5b9a\u7684\u65b9\u5f0f\u5b8c\u6210\u7684\u3002\u540e\u9762\u6211\u5c06\u8be6\u7ec6\u89e3\u91ca\u8fd9\u4e9b\u4ee3\u7801\u3002
    
    \u4f60\u4e00\u5b9a\u53d1\u73b0\u4e86\uff0c\u5982\u679c\u4f60\u505a\u4e0a\u8ff0\u76f8\u540c\u7684\u64cd\u4f5c\u7684\u65f6\u5019\u4e24\u4e2a\u76f8\u5e94\u7684TextBox\u59cb\u7ec8\u4f1a\u4fdd\u6301\u4e00\u81f4\u7684\u6570\u636e\u3002\u800c\u8fd9\u4e00\u5207\u7684\u53d1\u751f\u5b8c\u5168\u662f\u81ea\u52a8\u7684\uff0c\u8fd9\u8981\u5f97\u610f\u4e8e\u6570\u636e\u7ed1\u5b9a\u4e86\u3002
    \u8be5\u89e3\u91ca\u4e00\u4e0b\u4e86\u3002
    this.txtFirstname1.DataBindings.Add(“Text”, person, “Firstname”);
    \u4ed4\u7ec6\u770b\u770b\uff0c\u4f60\u80fd\u53d1\u73b0\uff0c”Text” \u662f\u4e0d\u662f\u5c31\u662fTextBox\u7684Text\u5c5e\u6027\u3002person \u5c31\u662f\u6570\u636e\u6e90\uff0c\u800c”Firstname” \u662fperson\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u4ece\u8fd9\u91cc\u5c31\u53ef\u4ee5\u770b\u7684\u51fa\u6765\uff0c\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u60f3\u628aText\u5c5e\u6027\u548cperson\u4e2d\u7684Firstname\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\u3002\u8fd9\u79cd\u5173\u8054\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u81ea\u52a8\u5448\u73b0\u548c\u81ea\u52a8\u63a5\u53d7\u66f4\u6539\u3002\u672c\u8d28\u4e0a\u800c\u8a00\uff0c\u6570\u636e\u7ed1\u5b9a\u57fa\u672c\u7684\u601d\u8def\u5c31\u5c06\u6570\u636e\u6e90\u4e2d\u7684\u67d0\u4e2a\u5c5e\u6027\u548c\u63a7\u4ef6\u4e2d\u7684\u67d0\u4e2a\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\uff0c\u4f7f\u5f97\u6570\u636e\u7ed1\u5b9a\u5f15\u64ce\u80fd\u4e3a\u4f60\u53bb\u5904\u7406\u591a\u4f59\u7684\u4e8b\u60c5\u3002
    \u4e0b\u9762\u8bf4\u70b9\u590d\u6742\u70b9\u4e1c\u897f\u3002\u6570\u636e\u6e90\u7684\u5c5e\u6027\u548c\u63a7\u4ef6\u4e2d\u7684\u5c5e\u6027\u5173\u8054\u5176\u5b9e\u662f\u7531\u4e00\u4e2a\u7c7b\u6765\u7ba1\u7406\u7684\uff0c\u90a3\u4e2a\u7c7b\u5c31\u662fBinding\u7c7b\u3002\u4e0a\u9762\u7684\u4ee3\u7801\u4e5f\u53ef\u4ee5\u53d8\u6210\u4e00\u4e0b\u7684\u5f62\u5f0f
   \"\"Binding binding = new Binding(“Text”, person, “FirstName”);
\"\"this.txtFirstname1.DataBindings.Add(binding);<\/p>\n\n\n\n

   Binding\u4ee3\u8868\u67d0\u5bf9\u8c61\u5c5e\u6027\u503c\u548c\u67d0\u63a7\u4ef6\u5c5e\u6027\u503c\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002
    \u7b2c\u4e00\u53c2\u6570\u662f\uff1a\u63a7\u4ef6\u7684\u67d0\u4e2a\u5c5e\u6027\u7684\u540d\u79f0\u8868\u793a\u3002
    \u7b2c\u4e8c\u53c2\u6570\u662f\uff1a\u5bf9\u8c61
    \u7b2c\u4e09\u53c2\u6570\u662f\uff1a\u8868\u793a\u7ed1\u5b9a\u7684\u5bf9\u8c61\u7684\u5c5e\u6027\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\u662f\u5c5e\u6027\u7684\u540d\u79f0\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

WinForm\u6570\u636e\u7ed1\u5b9a–\u7b80\u5355\u7ed1\u5b9a2<\/a><\/p>\n\n\n\n

    \u4e0a\u4e00\u7bc7\u4e2d\uff0c\u6211\u4ecb\u7ecd\u4e86\u5927\u81f4\u4ecb\u7ecd\u4e86\u4e00\u4e0b\u6570\u636e\u7ed1\u5b9a\u5b9e\u73b0\u7684\u539f\u7406\u548c\u89c1\u8bc6\u4e86\u4e00\u4e0b\u7b80\u5355\u7ed1\u5b9a\u3002\u7ee7\u7eed\u4ecb\u7ecd\uff0c\u7b80\u5355\u7ed1\u5b9a\u8fd8\u6ca1\u5b8c\u5168\u8bf4\u6e05\u695a\u3002Binding\u5bf9\u8c61\u662f\u7b80\u5355\u7ed1\u5b9a\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u4e00\u4e2a\u7c7b\u3002Binding\u521b\u5efa\u548c\u7ef4\u62a4\u67d0\u63a7\u4ef6\u7684\u5c5e\u6027\u4e0e\u67d0\u5bf9\u8c61\u7684\u5c5e\u6027\u6216\u5bf9\u8c61\u5217\u8868\u4e2d\u5f53\u524d\u5bf9\u8c61\u7684\u5c5e\u6027\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002\u8fd9\u662fMSDN\u4e0a\u7684\u63cf\u8ff0\u3002\u4e0a\u4e00\u7bc7\u4e2d\u4f60\u4eec\u8ba4\u8bc6\u5230\u4e86\uff0c\u7ed1\u5b9a\u5176\u5b9e\u5c31\u662f\u63a7\u4ef6\u5c5e\u6027\u548c\u5bf9\u8c61\u6570\u636e\u4e4b\u95f4\u7684\u5173\u8054\u3002\u5728MSDN\u7684\u63cf\u8ff0\u4e2d\u4e5f\u8bf4\u660e\u4e86\u8fd9\u4e00\u70b9\u3002
    \u6211\u4eec\u53ef\u4ee5\u5efa\u7acb\u4e00\u4e2aBinding\u5bf9\u8c61\u6765\u8868\u793a\u8fd9\u4e2a\u5173\u8054\uff0c\u4e00\u4e0b\u7684\u4ee3\u7801\u4f60\u4eec\u5df2\u7ecf\u89c1\u5230\u8fc7\u4e86.\"\"Binding binding = new Binding(“Text”, person, “FirstName”);
\"\"this.txtFirstname1.DataBindings.Add(binding);    
    \u6211\u5df2\u7ecf\u5927\u6982\u89e3\u91ca\u4e86Binding\u7684\u6784\u9020\u51fd\u6570\u4e2d\u6bcf\u4e2a\u53c2\u6570\u7684\u542b\u4e49\u3002 \u73b0\u5728\u5177\u4f53\u6765\u8bf4\u660e\u4e00\u4e0b\u3002
    \u7b2c\u4e00\u53c2\u6570\uff1a\u4f60\u8981\u6307\u5b9a\u4e00\u4e2a\u4f60\u63a7\u4ef6\u7684\u5c5e\u6027\uff08\u5982\uff1aText, Background, ForeColor\u7b49). 
    \u7b2c\u4e8c\u53c2\u6570\uff1a\u4f60\u8981\u6307\u5b9a\u4efb\u610f\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u6700\u4e3a\u6570\u636e\u6e90\u3002\u53ef\u80fd\u7684\u6570\u636e\u6e90\u5305\u62ec\uff1a
        \u4efb\u610f\u5bf9\u8c61\u548c\u4e00\u4e0b\u5217\u4e3e\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n

\u8bf4\u660e<\/th>C# \u793a\u4f8b<\/th><\/tr>
\u5b9e\u73b0 IBindingList \u6216 ITypedList \u7684\u4efb\u4f55\u7c7b\u3002\u5305\u62ec\uff1aDataSet\u3001DataTable\u3001DataView \u6216 DataViewManager\u3002<\/td>DataSet ds = new DataSet(“myDataSet”);<\/td><\/tr>
\u5b9e\u73b0 IList \u4ee5\u521b\u5efa\u5bf9\u8c61\u7d22\u5f15\u96c6\u5408\u7684\u4efb\u610f\u7c7b\u3002\u5fc5\u987b\u5728\u521b\u5efa Binding \u4e4b\u524d\u521b\u5efa\u548c\u586b\u5145\u8be5\u96c6\u5408\u3002\u5217\u8868\u4e2d\u7684\u6240\u6709\u5bf9\u8c61\u5fc5\u987b\u4e3a\u540c\u4e00\u7c7b\u578b\uff1b\u5426\u5219\u5c06\u5f15\u53d1\u5f02\u5e38\u3002<\/td>ArrayList ar1 = new ArrayList; Customer1 cust1 = new Customer(“Louis”); ar1.Add(cust1);<\/td><\/tr>
\u5f3a\u7c7b\u578b\u5bf9\u8c61\u7684\u5f3a\u7c7b\u578b IList\u3002<\/td>Customer [] custList = new Customer[3];<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        \u4ee5\u4e0a\u662fMSDN\u4e2d\u5217\u4e3e\u7684\u3002
    \u7b2c\u4e09\u53c2\u6570\uff1a\u9700\u8981\u6307\u5b9a\u7684\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002\uff08\u5728\u524d\u4e00\u6587\u7ae0\u4e2d\u7684\u4f8b\u5b50\u4e2d\u5c31\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5c5e\u6027\u7684\u540d\u79f0\uff09\u3002\u4f46\u5e76\u4e0d\u662f\u603b\u662f\u8fd9\u6837\u3002\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u8fd9\u6837\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002
    \u6bd4\u5982\u6211\u4eec\u53c8\u4e00\u4e2aEmployee\u7c7b\u5e76\u4e14\u5b83\u62e5\u6709\u4e2a\u4e00\u5c5e\u6027\u662fCity(\u8868\u793a\u6240\u5728\u7684\u57ce\u5e02)\uff0c\u800c\u8fd9\u4e2a\u5c5e\u6027\u662f\u4e00\u4e2aCity\u7c7b\u578b\u3002City\u7c7b\u4e2d\u6709\u4e00\u4e2a\u5c5e\u6027\u662fName\u8868\u793a\u57ce\u5e02\u7684\u540d\u79f0\u3002
    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e2d\u3002\u5982\u679c\u4f60\u60f3\u628aEmployee\u7c7b\u7684\u67d0\u4e2a\u5b9e\u4f8b\u7684City\u5c5e\u6027\u7684\u57ce\u5e02\u540d\u79f0\u7ed1\u5b9a\u5230\u4e00\u4e2aTextBox\u4e2d\u7684\u8bdd\u3002\u6211\u4eec\u5c31\u9700\u8981\u8fd9\u6837\u505a\uff1a
    1\"\"\/\/\u5176\u4e2demployee\u8868\u793aEmployee\u7c7b\u7684\u5b9e\u4f8b\uff0c\u800c\u201cCity.Name\u201d\u8868\u793a\u63a7\u4ef6\u73b0\u5728\u7ed1\u5b9a\u7684\u662femployee\u7684City\u5c5e\u6027\u7684Name\u5c5e\u6027\u7684\u503c\u3002
2\"\"this.textBox1.DataBindings.Add(“Text”,employee, “City.Name”);    \u4e0b\u9762\u6211\u5efa\u7acb\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u66f4\u591a\u7684\u5173\u4e8e\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u7684\u7528\u6cd5\uff1a\uff08\u4e0b\u9762\u7684\u4f8b\u5b50\u53ea\u4f1a\u8bb2\u89e3\u7b80\u5355\u7ed1\u5b9a\u4e2d\u6d89\u53ca\u5230\u7684\u5185\u5bb9\uff09
    1.\u5efa\u7acbCity\u7c7b
     1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.Text;
 4\"\"
 5\"\"namespace SimplyDataBinding2
 6\"\"{
 7\"\"    public class City
 8\"\"    {
 9\"\"        private string _postalcode;
10\"\"        \/\/\/ <summary>
11\"\"        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u90ae\u653f\u7f16\u7801\u3002
12\"\"        \/\/\/ <\/summary>
13\"\"        public string Postalcode
14\"\"        {
15\"\"            get { return _postalcode; }
16\"\"            set { _postalcode = value; }
17\"\"        }
18\"\"        private string _name;
19\"\"        \/\/\/ <summary>
20\"\"        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u57ce\u5e02\u540d\u79f0\u3002
21\"\"        \/\/\/ <\/summary>
22\"\"        public string Name
23\"\"        {
24\"\"            get { return _name; }
25\"\"            set { _name = value; }
26\"\"        }
27\"\"        public City() { }
28\"\"        public City(string postalcode, string name)
29\"\"        {
30\"\"            this.Postalcode = postalcode;
31\"\"            this.Name = name;
32\"\"        }
33\"\"    }
34\"\"}
35\"\"
     2.\u5efa\u7acbEmployee\u7c7b
     1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.Text;
 4\"\"
 5\"\"namespace SimplyDataBinding2
 6\"\"{
 7\"\"    public class Employee
 8\"\"    {
 9\"\"        private string _name;
10\"\"        \/\/\/ <summary>
11\"\"        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u59d3\u540d\u3002
12\"\"        \/\/\/ <\/summary>
13\"\"        public string Name
14\"\"        {
15\"\"            get { return _name; }
16\"\"            set { _name = value; }
17\"\"        }
18\"\"        private string _title;
19\"\"        \/\/\/ <summary>
20\"\"        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u79f0\u547c\u3002
21\"\"        \/\/\/ <\/summary>
22\"\"        public string Title
23\"\"        {
24\"\"            get { return _title; }
25\"\"            set { _title = value; }
26\"\"        }
27\"\"        private City _city;
28\"\"        \/\/\/ <summary>
29\"\"        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u6240\u5728\u57ce\u5e02\u3002
30\"\"        \/\/\/ <\/summary>
31\"\"        public City City
32\"\"        {
33\"\"            get { return _city; }
34\"\"            set { _city = value; }
35\"\"        }
36\"\"        public Employee() { }
37\"\"        public Employee(string name, string title, City city)
38\"\"        {
39\"\"            this.Name = name;
40\"\"            this.Title = title;
41\"\"            this.City = city;
42\"\"        }
43\"\"    }
44\"\"}
45\"\"
    \u8bf7\u6ce8\u610f31\u884c\uff0c\u6211\u58f0\u660e\u4e86\u4e00\u4e2aCity\u5c5e\u6027\uff0c\u5b83\u662f\u4e00\u4e2aCity\u7c7b\u578b\u3002

    Form1.CS
     1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.ComponentModel;
 4\"\"using System.Data;
 5\"\"using System.Drawing;
 6\"\"using System.Text;
 7\"\"using System.Windows.Forms;
 8\"\"
 9\"\"namespace SimplyDataBinding2
10\"\"{
11\"\"    public partial class Form1 : Form
12\"\"    {
13\"\"        public Form1()
14\"\"        {
15\"\"            InitializeComponent();
16\"\"            Employee employee = new Employee(“Caipeng”, “Mr”, new City(“430071”, “Wuhan”));
17\"\"            this.textBox1.DataBindings.Add(“Text”, employee, “Name”, true);
18\"\"            this.textBox2.DataBindings.Add(“Text”, employee, “Title”, true);
19\"\"            \/\/\u6ce8\u610f\u8fd9\u91cc\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002City\u5c5e\u6027\u672c\u8eab\u662f\u6307\u5411City\u7c7b\u7684\u4e00\u4e2a\u5b9e\u4f8b\u7684\u3002\u6240\u4ee5\u5b83\u6ca1\u6709\u529e\u6cd5\u88ab\u89e3\u6790\u4e3a\u80fd
20\"\"            \/\/\u76f4\u63a5\u663e\u793a\u5728Text\u4e2d\u7684\u6570\u636e\u3002\u4e00\u4e0b\u7684\u8868\u8fbe\u5f0f\u6240\u8981\u8868\u8fbe\u7684\u662f\u6211\u9700\u8981\u90a3\u4e2aCity\u5b9e\u4f8b\u7684Name\u5c5e\u6027\u3002
21\"\"            this.textBox3.DataBindings.Add(“Text”, employee, “City.Name”, true);
22\"\"        }
23\"\"    }
24\"\"}
    \u6211\u5df2\u7ecf\u5728\u4ee3\u7801\u505a\u4e86\u8bf4\u660e\u3002\u4f60\u53ef\u4ee5\u81ea\u5df1\u770b\u770b\u3002\u4e0a\u9762\u6211\u91cd\u70b9\u7684\u7b80\u4ecb\u4e86\u4e00\u4e0b\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u662f\u7684\u4f5c\u7528\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u53bb\u66f4\u6df1\u5165\u7684\u8ba4\u8bc6\u4e00\u4e0bBinding\u7684\u4f5c\u7528\u3002
    \u5982\u679c\u4f60\u4eec\u7559\u610f\u4e86\u7684\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u4f60\u5982\u679c\u4f60\u7684\u5c5e\u6027\u5373\u4f7f\u4e0d\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u4e00\u6837\u53ef\u4ee5\u5f88\u597d\u7684\u7ed1\u5b9a\u5230TextBox\u7684Text\u3002\u6570\u636e\u7ed1\u5b9a\u5728\u8fd9\u91cc\u53c8\u53d1\u529f\uff0c\u5b83\u8d1f\u8d23\u5c06\u7c7b\u578b\u8fdb\u884c\u4e86\u8f6c\u6362\u3002\u4e0d\u8fc7\u53ea\u6709\u4e00\u4e9b\u57fa\u672c\u7c7b\u578b\u80fd\u591f\u8fdb\u884c\u8f6c\u6362\u3002\u5982\u679c\u4f60\u9700\u8981\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u6210Image\u7c7b\u578b\uff0c\u90a3\u4f60\u5c31\u7684\u5904\u7406Binding\u7c7b\u4e2d\u7684\u4e24\u4e2a\u4e8b\u4ef6\u3002Format\u548cParse\u4e8b\u4ef6\u3002\u6211\u4eec\u901a\u5e38\u4f7f\u7528\u8fd9\u4e24\u4e2a\u4e8b\u4ef6\u6765\u8fdb\u884c\u6570\u636e\u7684\u8f6c\u6362\u3002
    Format \u4e8b\u4ef6\uff1a\u5f53\u6570\u636e\u88ab\u7ed1\u5b9a\u5230\u63a7\u4ef6\u7684\u65f6\u5019\u89e6\u53d1\u3002\u5c31\u662f\u5728\u6570\u636e\u8981\u663e\u793a\u5230\u63a7\u4ef6\u4e2d\u7684\u65f6\u5019\u3002
    Parse \u4e8b\u4ef6\uff1a\u5f53\u63a7\u4ef6\u7684\u5c5e\u6027\u53d1\u751f\u6539\u53d8\u800c\u5bfc\u81f4\u8981\u66f4\u65b0\u6570\u636e\u6e90\u7684\u65f6\u5019\u89e6\u53d1\u3002
    \u8fd9\u4e24\u4e2a\u4e8b\u4ef6\u662f\u76f8\u5bf9\u7684\uff0c\u5206\u522b\u7ba1\u7406\u8fd9\u4ece\u6570\u636e\u6e90\u5230\u63a7\u4ef6\u548c\u63a7\u4ef6\u5230\u6570\u636e\u6e90\u7684\u4e24\u4e2a\u8fc7\u7a0b\u7684\u6570\u636e\u683c\u5f0f\u8f6c\u6362\u7684\u95ee\u9898\u3002
    \u770b\u4f8b\u5b50\uff1a
    \u6211\u628a\u4e0a\u9762\u7684\u4f8b\u5b50\u505a\u4e2a\u4fee\u6539\uff1a
     1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.ComponentModel;
 4\"\"using System.Data;
 5\"\"using System.Drawing;
 6\"\"using System.Text;
 7\"\"using System.Windows.Forms;
 8\"\"
 9\"\"namespace SimplyDataBinding2
10\"\"{
11\"\"    public partial class Form2 : Form
12\"\"    {
13\"\"        Employee employee;
14\"\"        public Form2()
15\"\"        {
16\"\"            InitializeComponent();
17\"\"            employee = new Employee(“Caipeng”, “Mr”, new City(“430071”, “Wuhan”));
18\"\"            this.textBox1.DataBindings.Add(“Text”, employee, “Name”, true);
19\"\"            this.textBox2.DataBindings.Add(“Text”, employee, “Title”, true);
20\"\"            \/\/\u6ce8\u610f\u8fd9\u91cc\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u662f”City”\u3002\u5b83\u662f\u53ef\u4ee5\u80fd\u591f\u76f4\u63a5\u663e\u793a\u5728Text\u5c5e\u6027\u4f46\u7edd\u5bf9\u4e0d\u662f\u4f60\u60f3\u8981\u7684\u503c\u3002
21\"\"            Binding cityBinding = new Binding(“Text”, employee, “City”);
22\"\"            \/\/\u4f60\u53ef\u4ee5\u5c4f\u853d\u4e00\u4e0b\u7684\u4e24\u53e5\u8bdd\u6765\u770b\u770bText\u4e2d\u5230\u5e95\u4f1a\u663e\u793a\u4ec0\u4e48\u3002
23\"\"            cityBinding.Format += new ConvertEventHandler(cityBinding_Format);
24\"\"            cityBinding.Parse += new ConvertEventHandler(cityBinding_Parse);
25\"\"            this.textBox3.DataBindings.Add(cityBinding);
26\"\"        }
27\"\"
28\"\"        string tempPostalcode = null;
29\"\"        \/\/\/ <summary>
30\"\"        \/\/\/ \u5f53\u63a7\u4ef6\u66f4\u65b0\u6570\u636e\u6e90\u7684\u65f6\u5019\u89e6\u53d1\u3002
31\"\"        \/\/\/ <\/summary>
32\"\"        \/\/\/ <param name=”sender”><\/param>
33\"\"        \/\/\/ <param name=”e”><\/param>
34\"\"        void cityBinding_Parse(object sender, ConvertEventArgs e)
35\"\"        {
36\"\"            \/\/e.value\u5305\u542b\u4e86\u63a7\u4ef6\u4e2d\u76f8\u5e94\u5c5e\u6027\u7684\u503c\u3002
37\"\"            City city = new City(tempPostalcode, e.Value.ToString());
38\"\"            e.Value = city;
39\"\"        }
40\"\"
41\"\"        \/\/\/ <summary>
42\"\"        \/\/\/ \u5f53\u6570\u636e\u88ab\u7ed1\u5b9a\u5230\u63a7\u4ef6\u4e0a\u7684\u65f6\u5019\u89e6\u53d1\u3002
43\"\"        \/\/\/ <\/summary>
44\"\"        \/\/\/ <param name=”sender”><\/param>
45\"\"        \/\/\/ <param name=”e”><\/param>
46\"\"        void cityBinding_Format(object sender, ConvertEventArgs e)
47\"\"        {
48\"\"            \/\/\u6211\u5c06City\u7c7b\u578b\u8f6c\u6362\u6210\u6211\u60f3\u8981\u7684\u57ce\u5e02\u4fe1\u606f\u3002
49\"\"            \/\/e.Value \u5305\u542b\u7684\u662f\u6570\u636e\u6e90\u4e2d\u76f8\u5e94\u5c5e\u6027\u7684\u503c\u3002\u8fd9\u91cc\u662f\u4e00\u4e2aCity\u7c7b\u578b\u7684\u5b9e\u4f8b\u3002
50\"\"            City temp = (City)e.Value;
51\"\"            tempPostalcode = temp.Postalcode;
52\"\"            e.Value = temp.Name;
53\"\"        }
54\"\"
55\"\"        private void button1_Click(object sender, EventArgs e)
56\"\"        {
57\"\"            \/\/\u5229\u7528\u5b83\u6765\u67e5\u770b\u8f6c\u6362\u7684\u7ed3\u679c\u662f\u5426\u6b63\u786e\u3002
58\"\"            MessageBox.Show(employee.City.Postalcode + ” ” + employee.City.Name);
59\"\"        }
60\"\"    }
61\"\"}<\/p>\n\n\n\n


    \u4ece\u8868\u73b0\u4e0a\u770b\uff0c\u548c\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u4f46\u5b9e\u9645\u5b9e\u73b0\u7684\u65b9\u5f0f\u662f\u4e0d\u540c\u7684\u3002\u8bf7\u6ce8\u610f\u7b2c21\u884c\u548c\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\u768421\u884c\u662f\u4e0d\u540c\u3002
    \u7b2c\u4e00\u4e2a\u4f8b\u5b50
    this.textBox3.DataBindings.Add(“Text”, employee, “City.Name”, true);
    \u7b2c\u4e8c\u4e2a\u4f8b\u5b50
            Binding cityBinding = new Binding(“Text”, employee, “City”);
            \/\/\u4f60\u53ef\u4ee5\u5c4f\u853d\u4e00\u4e0b\u7684\u4e24\u53e5\u8bdd\u6765\u770b\u770bText\u4e2d\u5230\u5e95\u4f1a\u663e\u793a\u4ec0\u4e48\u3002
            cityBinding.Format += new ConvertEventHandler(cityBinding_Format);
            cityBinding.Parse += new ConvertEventHandler(cityBinding_Parse);
            this.textBox3.DataBindings.Add(cityBinding);        \u5404\u4f4d\u5e94\u8be5\u53ef\u4ee5\u770b\u7684\u51fa\u533a\u522b\u4e86\u3002<\/p>\n\n\n\n

WinForm\u6570\u636e\u7ed1\u5b9a–\u590d\u6742\u7ed1\u5b9a<\/a><\/p>\n\n\n\n

    \u5230\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7ed3\u675f\uff0c\u4f60\u5e94\u8be5\u77e5\u9053\u7b80\u5355\u7ed1\u5b9a\u7684\u539f\u7406\u4e86\u53caBinding\u5bf9\u8c61\u5728\u7b80\u5355\u7ed1\u5b9a\u8d77\u5230\u7684\u4f5c\u7528\u3002\u5982\u679c\u4f60\u7559\u5fc3\u7684\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u6211\u5728\u4e0a\u4e00\u7bc7\u4e2d\u7559\u4e0b\u4e86\u4e00\u4e2a\u5217\u8868\u3002\u5176\u4e2d\u5217\u4e3e\u4e86\u80fd\u591f\u88ab\u6570\u636e\u7ed1\u5b9a\u652f\u6301\u7684\u201c\u6570\u636e\u6e90\u201d\u90fd\u6709\u90a3\u4e9b\u3002\u5176\u4e2d\u4e3b\u8981\u5305\u542b\u5355\u4e00\u5bf9\u8c61\u3001\u96c6\u5408\u53ca\u96c6\u5408\u4e2d\u5305\u542b\u96c6\u5408\u8fd9\u6837\u7684\u4e09\u5927\u7c7b\u522b\u7684\u5bf9\u8c61\u3002\u5176\u4e2d\u5728\u7b80\u5355\u7ed1\u5b9a\u4e2d\uff0c\u6211\u5df2\u7ecf\u63cf\u8ff0\u4e86\u5982\u4f55\u7ed1\u5b9a\u5bf9\u8c61\u5230\u63a7\u4ef6\u4e2d\u3002\u800c\u7ed1\u5b9a\u5230\u96c6\u5408\u548c\u96c6\u5408\u4e2d\u7684\u96c6\u5408\u5c31\u9700\u8981\u4e86\u89e3\u590d\u6742\u7ed1\u5b9a\u4e86\u3002
    \u590d\u6742\u7ed1\u5b9a\u53ef\u4ee5\u7b80\u5355\u7684\u7406\u89e3\u4e3a\u5982\u4f55\u5c06\u96c6\u5408\u6216\u96c6\u5408\u7684\u96c6\u5408\u7ed1\u5b9a\u5230\u63a7\u4ef6\u7684\u8fc7\u7a0b\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u4f60\u5bf9\u53d1\u73b0\u6709\u67d0\u4e9b\u5730\u65b9\u548c\u7b80\u5355\u7ed1\u5b9a\u5f88\u76f8\u4f3c\uff0c\u4f46\u5b9e\u9645\u4e0a\u5f53\u63a7\u4ef6\u7ed1\u5b9a\u5230\u96c6\u5408\u7c7b\u7684\u5bf9\u8c61\u7684\u65f6\u5019\u548c\u6211\u4eec\u8ba4\u8bc6\u7684\u7b80\u5355\u7ed1\u5b9a\u7684\u8fc7\u7a0b\u662f\u6709\u533a\u522b\u7684\u3002\u590d\u6742\u7ed1\u5b9a\u662f\u4f9d\u8d56\u4e0e\u7b80\u5355\u7ed1\u5b9a\u8fc7\u7a0b\u7684\u3002\u5148\u6765\u770b\u770b\u4e0b\u9762\u7684\u4f8b\u5b50\uff1a
    \u9879\u76ee\u5305\u542b\u4e24\u4e2a\u90e8\u5206\uff1aPerson\u7c7b\u548cForm\u7c7b\u3002
    Person\u7c7b\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

 1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.Text;
 4\"\"
 5\"\"namespace ComplexBinding
 6\"\"{
 7\"\"    \/\/\u5c06\u8981\u7528\u4e8e\u96c6\u5408\u4e2d\u7684\u9879\u5bf9\u8c61\u3002
 8\"\"    class Person
 9\"\"    {
10\"\"        private string _name;
11\"\"
12\"\"        public string Name
13\"\"        {
14\"\"            get { return _name; }
15\"\"            set { _name = value; }
16\"\"        }
17\"\"        private int _age;
18\"\"
19\"\"        public int Age
20\"\"        {
21\"\"            get { return _age; }
22\"\"            set { _age = value; }
23\"\"        }
24\"\"        \/\/\u8bf7\u4fdd\u7559\u8fd9\u4e2a\u6784\u9020\u51fd\u6570\u3002
25\"\"        public Person() { }
26\"\"
27\"\"        public Person(string name, int age)
28\"\"        {
29\"\"            this.Name = name;
30\"\"            this.Age = age;
31\"\"        }
32\"\"    }
33\"\"}
34\"\"<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

    Form1\u7684\u754c\u9762\uff1a<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

    Form1.cs\u4ee3\u7801<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

 1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.ComponentModel;
 4\"\"using System.Data;
 5\"\"using System.Drawing;
 6\"\"using System.Text;
 7\"\"using System.Windows.Forms;
 8\"\"
 9\"\"namespace ComplexBinding
10\"\"{
11\"\"    public partial class Form1 : Form
12\"\"    {
13\"\"        public Form1()
14\"\"        {
15\"\"            InitializeComponent();
16\"\"            \/\/\u5efa\u7acb\u4e00\u4e2a\u96c6\u5408\uff0c\u8ba9\u5b83\u7ef4\u6301\u591a\u4e2aPerson\u5bf9\u8c61\u3002
17\"\"            List<Person> list = new List<Person>();
18\"\"            list.Add(new Person(“Caipeng”, 32));
19\"\"            list.Add(new Person(“WangLiLi”, 30));
20\"\"            list.Add(new Person(“Colin.Cai”, 0));
21\"\"            this.txtName.DataBindings.Add(“Text”, list, “Name”);
22\"\"            this.txtAge.DataBindings.Add(“Text”, list, “Age”);
23\"\"        }
24\"\"
25\"\"
26\"\"    }
27\"\"}<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

    \u770b\u770b\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u768421\u884c\u548c22\u884c\u3002\u4f60\u4f1a\u53d1\u73b0\u4e24\u4e2aTextBox\u4e2d\u6307\u5b9a\u7684\u6570\u636e\u6e90\u90fd\u662flist\uff08\u96c6\u5408\uff09\uff0c\u5728\u524d\u9762\u6211\u8bb2\u8fc7\u4e86\uff0c\u5728\u6b64\u4e4b\u540e\u7684\u90a3\u4e2a\u53c2\u6570\u4e00\u822c\u662f\u5bf9\u8c61\u7684\u5c5e\u6027\u540d\u79f0\u3002\u53eflist\u54ea\u6765\u7684Name\u548cAge\u5c5e\u6027\u5462\uff1f\u6211\u5728\u8fd9\u91cc\u6307\u5b9a\u7684”Name” \u548c “Age”\u786e\u5b9e\u662f\u5c5e\u6027\uff0c\u4e0d\u8fc7\u662fPerson\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u3002\u662f\u4e0d\u662f\u6ee1\u662f\u7591\u95ee\u3002\u5176\u4e2d\u53ef\u80fd\u7684\u4e24\u4e2a\u7591\u95ee\u662f
1.TextBox\u600e\u4e48\u80fd\u663e\u793a\u4e00\u4e2a\u96c6\u5408\u5462,\u662f\u4e0d\u662f\u6570\u636e\u7ed1\u5b9a\u8001\u4eba\u5bb6\u641e\u9519\u4e86?
2.list\u4e2d\u6ca1\u6709Name\u548cAge\u5c5e\u6027\u5440\uff01\uff01\uff01\u5c31\u7b97\u6307\u5b9a\u7684\u662flist\u4e2d\u7ef4\u6301\u7684\u67d0\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u90a3\u5e94\u8be5\u5173\u8054\u7684\u662f\u7b2c\u4e00\u4e2a\u8fd8\u662f\u7b2c\u4e8c\u4e2a\u5462\uff1f\uff1f

    \u8981\u786e\u5b9a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u60c5\uff0c\u96c6\u5408\u786e\u5b9e\u65e0\u6cd5\u663e\u793a\u5728TextBox\u8fd9\u6837\u7684\u63a7\u4ef6\u4e2d\u3002\u5b83\u53ef\u4ee5\u5f88\u597d\u7684\u663e\u793a\u5728\u7c7b\u4f3cDataGridView\u8fd9\u6837\u7684\u63a7\u4ef6\u4e2d\u3002\u5176\u6b21\u8981\u786e\u5b9a\u7684\u4e8b\u60c5\u662f\uff0c\u4e24\u4e2aTextBox\u4e2d\u663e\u793a\u7684\u6570\u636e\u786e\u5b9e\u6765\u81ealist,\u4f46\u51c6\u786e\u7684\u8bf4\u662f\u6765\u81ealist\u4e2d\u5305\u542b\u7684\u67d0\u4e00\u4e2aPerson\u5bf9\u8c61\u3002\u5982\u679c\u4f60\u73b0\u5728\u5c31\u8fd0\u884c\u8fd9\u4e2a\u7a0b\u5e8f\u7684\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e24\u4e2aTextBox\u4e2d\u663e\u793a\u7684\u6570\u636e\u662flist\u4e2d\u7684\u7b2c\u4e00\u4e2aPerson\u5bf9\u8c61\u7684Name\u548cAge\u7684\u503c\u3002

    \u6211\u8981\u89e3\u91ca\u4e00\u4e0b\uff0c\u5f53\u6570\u636e\u6e90\u662f\u4e00\u4e2a\u96c6\u5408\u7684\u65f6\u5019\uff0c\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\u3002
    \u9996\u5148\uff0c\u5f53\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u53d1\u73b0\u4f60\u7ed1\u5b9a\u7684\u6570\u636e\u6e90\u662f\u4e00\u4e2a\u96c6\u5408\uff0c\u90a3\u4e48\u5b83\u4f1a\u91c7\u53d6\u4e00\u79cd\u4e0d\u540c\u7b80\u5355\u7ed1\u5b9a\u7684\u65b9\u5f0f\u6765\u5bf9\u5f85\u8fd9\u4e2a\u6570\u636e\u6e90\u3002\u5982\u679c\u662f\u7ed1\u5b9a\u5230\u7684\u662fTextBox\u8fd9\u6837\u7684\u63a7\u4ef6\u8bdd\uff0c\u5b83\u4f1a\u5148\u4ece\u90a3\u4e2a\u96c6\u5408\u4e2d\u730e\u53d6\u4e00\u9879\u51fa\u6765\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u91cc\u5c31\u662f\u7b2c\u4e00\u4e2aperson\u5bf9\u8c61\u3002
    \u63a5\u4e0b\u6765\uff0c\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u4f1a\u5c06\u8fd9\u4e2a\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u548c\u63a7\u4ef6\u4e2d\u7684\u5c5e\u6027\u5173\u8054\u8d77\u6765\uff08\u548c\u7b80\u5355\u7ed1\u5b9a\u4e2d\u6240\u63cf\u8ff0\u7684\u4e00\u6837\u3002\uff09
    \u518d\u63a5\u4e0b\u6765\uff0c\u6211\u4e0d\u80fd\u6b3a\u9a97\u5927\u5bb6\u6ca1\u6709\u201c\u518d\u63a5\u4e0b\u6765\u201d\u4e86\u3002\u4e0a\u9762\u7684\u4e24\u4e2a\u6b65\u9aa4\u5c31\u5df2\u7ecf\u5b8c\u6210\u4e86\u4e00\u4e2a\u590d\u6742\u7ed1\u5b9a\u3002
    \u8c01\u8d1f\u8d23\u5904\u7406\u4ee5\u4e0a\u7684\u8fc7\u7a0b\u5462\uff1f\u662fBindingContext\u7c7b\uff0c\u5b83\u7ba1\u7406\u7740\u8fd9\u4e2a\u8fc7\u7a0b\u3002\uff08\u5982\u679c\u6211\u7684\u7406\u89e3\u80fd\u529b\u6ca1\u6709\u95ee\u9898\u7684\u8bdd\uff09
    \u6ca1\u6709\u4f60\u4eec\u60f3\u8c61\u4e2d\u7684\u590d\u6742\u5427\uff01\u7b80\u5355\u5230\u4f60\u60f3\u9a82\u6211\u3002\u522b\u9a82\uff0c\u4e4b\u6240\u4ee5\u8fd9\u6837\u7b80\u5355\u53ea\u56e0\u4e3a\u6211\u8fd8\u6ca1\u6709\u8bb2\u5230\u96be\u7684\u5730\u65b9\u3002\u4e0d\u7ba1\u600e\u6837\uff0c\u4f60\u5df2\u7ecf\u8ba4\u8bc6\u4e86\u590d\u6742\u7ed1\u5b9a\u4e86\u3002
    
    \u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u4e0a\u9762\u7684\u4f8b\u5b50\u505a\u8fdb\u4e00\u6b65\u7684\u4fee\u6539\u3002\u770b\u770b\u4e0b\u9762\u7684\u4ee3\u7801\uff1a
    Form1\u754c\u9762:
    \"\"
    Form1\u7684\u4ee3\u7801\uff1a
    <\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

 1\"\"using System;
 2\"\"using System.Collections.Generic;
 3\"\"using System.ComponentModel;
 4\"\"using System.Data;
 5\"\"using System.Drawing;
 6\"\"using System.Text;
 7\"\"using System.Windows.Forms;
 8\"\"
 9\"\"namespace ComplexBinding
10\"\"{
11\"\"    public partial class Form1 : Form
12\"\"    {
13\"\"        CurrencyManager cm;
14\"\"        public Form1()
15\"\"        {
16\"\"            InitializeComponent();
17\"\"            \/\/\u5efa\u7acb\u4e00\u4e2a\u96c6\u5408\uff0c\u8ba9\u5b83\u7ef4\u6301\u591a\u4e2aPerson\u5bf9\u8c61\u3002
18\"\"            List<Person> list = new List<Person>();
19\"\"            list.Add(new Person(“Caipeng”, 32));
20\"\"            list.Add(new Person(“WangLiLi”, 30));
21\"\"            list.Add(new Person(“Colin.Cai”, 0));
22\"\"            this.txtName.DataBindings.Add(“Text”, list, “Name”);
23\"\"            this.txtAge.DataBindings.Add(“Text”, list, “Age”);
24\"\"            \/\/\u589e\u52a0\u4ee5\u4e0b\u7684\u8bed\u53e5,\u83b7\u5f97\u7ba1\u7406\u96c6\u5408\u7684\u7ba1\u7406\u5bf9\u8c61.
25\"\"            \/\/\u4e0b\u9762\u7684\u4e24\u4e2abutton\u6f14\u793acm\u5982\u679c\u7ba1\u7406\u96c6\u5408\u7684\u7b80\u5355\u65b9\u6cd5.
26\"\"            cm = (CurrencyManager)this.BindingContext[list];
27\"\"        }
28\"\"
29\"\"        private void button2_Click(object sender, EventArgs e)
30\"\"        {
31\"\"            \/\/\u5c06\u5f53\u524d\u7684\u4f4d\u7f6e++
32\"\"            cm.Position++;
33\"\"        }
34\"\"
35\"\"        private void button1_Click(object sender, EventArgs e)
36\"\"        {
37\"\"            \/\/\u5c06\u5f53\u524d\u7684\u4f4d\u7f6e–
38\"\"            cm.Position–;
39\"\"        }
40\"\"
41\"\"
42\"\"    }
43\"\"}<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

    \u53ef\u5148\u770b\u770b\u4e0a\u9762\u7684\u4f8b\u5b50\u7684\u6548\u679c\u3002\u4f60\u4f1a\u53d1\u73b0\u5f53\u4f60\u70b9\u51fbButton2\u6216Button1\u7684\u65f6\u5019\uff0c\u4e24\u4e2a\u63a7\u4ef6\u4e2d\u7684\u6570\u636e\u4f1a\u53d1\u751f\u76f8\u5e94\u7684\u53d8\u5316\u3002\u6211\u60f3\u4ece\u8fd9\u4e2a\u4f8b\u5b50\u8bc1\u660e\u6211\u4ee5\u4e0a\u63cf\u8ff0\u590d\u6742\u7ed1\u5b9a\u7684\u8fc7\u7a0b\u662f\u6b63\u786e\u7684\u5e76\u4e14\u4e5f\u60f3\u4ece\u8fd9\u4e2a\u4f8b\u5b50\u884d\u751f\u51fa\u53e6\u4e00\u4e2a\u6211\u4eec\u503c\u5f97\u5173\u6ce8\u7684\u95ee\u9898\u3002\u90a3\u5c31\u662f\u4f60\u4e0d\u5f97\u4e0d\u53bb\u8ba4\u8bc6\u7684\u4e00\u4e2aBindingContext\u7c7b\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u7684\u4e86\u89e3\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u7684\u8bdd\u3002
    \u4e0b\u4e00\u7bc7\u4e2d\u6211\u5c06\u8fdb\u4e00\u6b65\u5bf9\u6570\u636e\u7ed1\u5b9a\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n\n\n\n

WinForm\u6570\u636e\u7ed1\u5b9a–BindingContext<\/a><\/p>\n\n\n\n

     \u524d\u9762\u7ae0\u8282\u4e2d\uff0c\u5bf9\u7b80\u5355\u7ed1\u5b9a\u548c\u590d\u6742\u7ed1\u5b9a\u505a\u4e86\u7b80\u5355\u7684\u63cf\u8ff0\u3002\u5728\u8fd9\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6240\u6709\u7684\u8fd9\u4e9b\u4e1c\u897f\u4e32\u5728\u4e00\u8d77\u770b\u770b\u6570\u636e\u7ed1\u5b9a\u7684\u5168\u8c8c\u3002<\/p>\n\n\n\n

     Binding\u5bf9\u8c61:\u4ee3\u8868\u67d0\u5bf9\u8c61\u5c5e\u6027\u503c\u548c\u67d0\u63a7\u4ef6\u5c5e\u6027\u503c\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002\u5176\u4e3b\u8981\u8d1f\u8d23\u5c06\u63a7\u4ef6\u7684\u5c5e\u6027\u548c\u5bf9\u8c61\u7684\u5c5e\u6027\u8fdb\u884c\u5173\u8054\u3002<\/p>\n\n\n\n

     BindingManagerBase:\u7ba1\u7406\u7ed1\u5b9a\u5230\u76f8\u540c\u6570\u636e\u6e90\u548c\u6570\u636e\u6210\u5458\u7684\u6240\u6709 Binding \u5bf9\u8c61\u3002 \u8fd9\u4e2a\u5bf9\u8c61\u5728\u524d\u9762\u7684\u7ae0\u8282\u4e2d\u6ca1\u6709\u6d89\u53ca\uff0c\u4f46\u5b9e\u9645\u4e0a\u4e0d\u7ba1\u662f\u7b80\u5355\u7ed1\u5b9a\u8fd8\u662f\u590d\u6742\u7ed1\u5b9a\u4e2d\u90fd\u4f7f\u7528\u5230\u4e86\u8fd9\u4e2a\u5bf9\u8c61\u7684\u76f8\u5e94\u7684\u6d3e\u751f\u7c7b\u3002<\/p>\n\n\n\n

     BindingContext\u5bf9\u8c61:  \u8d1f\u8d23\u7ba1\u7406\u4eceControl\u7c7b\u7ee7\u627f\u7684\u4efb\u610f\u5bf9\u8c61\u7684 BindingManagerBase\u5bf9\u8c61\u96c6\u5408\u53ea\u8981\u53d1\u751f\u6570\u636e\u7ed1\u5b9a\uff0c\u90a3\u5728\u4e00\u4e2aFORM\u4e2d\u5c31\u4e00\u5b9a\u5b58\u5728\u4e00\u4e2aBindingContext\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Form\u5bf9\u8c61BindingContext\u5c5e\u6027\u83b7\u5f97\u4e00\u4e2aBindingContext\u5bf9\u8c61\u3002<\/p>\n\n\n\n

     \u8fd9\u4e09\u4e2a\u5bf9\u8c61\u638c\u7ba1\u7740\u6570\u636e\u7ed1\u5b9a\u7684\u4e3b\u8981\u529f\u80fd\u3002\u6211\u4eec\u5148\u6765\u770b\u770b\u5176\u5173\u7cfb\uff1a<\/p>\n\n\n\n

          1. Binding\u5bf9\u8c61\u8d1f\u8d23\u5c06\u63a7\u4ef6\u7684\u5c5e\u6027\u548c\u5bf9\u8c61\u7684\u5c5e\u6027\u5173\u8054\u8d77\u6765\u3002\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\u4f1a\u88ab\u81ea\u52a8\u4f20\u9012\u4e2a\u63a7\u4ef6\u7684\u5c5e\u6027\uff0c\u800c\u63a7\u4ef6\u7684\u5c5e\u6027\u503c\u66f4\u6539\u540e\u4e5f\u4f1a\u76f4\u63a5\u4f20\u56de\u5bf9\u8c61\u7684\u5c5e\u6027\uff08\u53cc\u5411\u7ed1\u5b9a\uff09\u3002<\/p>\n\n\n\n

          2. \u5728\u4e00\u4e2aWinForm\u754c\u9762\u4e2d\u603b\u662f\u4f1a\u5b58\u5728\u591a\u4e2a\u63a7\u4ef6\u3002\u6240\u4ee5\uff0c\u4e00\u822c\u90fd\u4f1a\u6709\u4e00\u7ec4Binding\u5bf9\u8c61\u6765\u7ba1\u7406\u4e0d\u540c\u63a7\u4ef6\u4e2d\u7684\u5c5e\u6027\u548c\u76f8\u540c\u6570\u636e\u6e90\u4e2d\u5c5e\u6027\u7684\u5173\u8054\u5173\u7cfb\u3002\u4e3a\u4e86\u80fd\u65b9\u4fbf\u7684\u7ba1\u7406\u8fd9\u6837\u7684\u4e00\u7ec4Binding\u5bf9\u8c61\uff0c\u6211\u4eec\u4f7f\u7528\u7ee7\u627f\u81f3BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u8fdb\u884c\u7ba1\u7406\u5de5\u4f5c\u3002BindingManagerBase\u6709\u4e24\u4e2a\u5b50\u7c7b\uff1aPropertyManager\u548cCurrencyManager.<\/p>\n\n\n\n

              \u5176\u4e2d\uff1aPropertyManager : \u7ef4\u62a4\u5bf9\u8c61\u7684\u5c5e\u6027\u4e0e\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u5c5e\u6027\u4e4b\u95f4\u7684 Binding\u3002\uff08\u89c1\u7b80\u5355\u7ed1\u5b9a\u7684\u63cf\u8ff0\uff09<\/p>\n\n\n\n

                      CurrencyManager : \u7ba1\u7406 Binding \u5bf9\u8c61\u7684\u5217\u8868\u3002\u7ba1\u7406\u5217\u8868\u6216\u96c6\u5408\u7c7b\u578b\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u3002\uff08\u89c1\u590d\u6742\u7ed1\u5b9a\u7684\u63cf\u8ff0\uff09<\/p>\n\n\n\n

     \u65e0\u8bba\u662fPropertyManager\u8fd8\u662fCurrencyManager\u603b\u662f\u548c\u4e00\u4e2a\u6570\u636e\u6e90\u5bf9\u8c61\u7684\u5bf9\u5e94\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61(\u65e0\u8bba\u662f\u5355\u4e00\u5bf9\u8c61\u8fd8\u662f\u96c6\u5408\u7c7b\u5bf9\u8c61\uff09\u90fd\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u3002<\/p>\n\n\n\n

          3.\u5bf9\u540c\u4e00\u7a97\u4f53\u800c\u8a00\uff0c\u901a\u5e38\u90fd\u4f1a\u9762\u5bf9\u591a\u4e2a\u6570\u636e\u6e90\u800c\u4e0d\u662f\u4e00\u4e2a\u3002\u6240\u4ee5\uff0c\u4e5f\u5c31\u4f1a\u4ea7\u751f\u591a\u4e2aPropertyManager\u6216CurrencyManager\u5bf9\u8c61\u3002BindingContext\u5c31\u4e3b\u8981\u8d1f\u8d23\u7ba1\u7406\u591a\u4e2aBindingManagerBase\u7684\u5b50\u5bf9\u8c61\u3002BindingContext\u53ef\u4ee5\u901a\u8fc7\u7a97\u4f53\u7684BindingContext\u5c5e\u6027\u83b7\u5f97\u3002\u5b83\u662f\u4e00\u4e2a\u5b57\u5178\u7684\u96c6\u5408\u3002<\/p>\n\n\n\n

     \u4e3a\u4e86\u66f4\u597d\u7684\u8bf4\u660e\u8fd9\u4e09\u7c7b\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8bf7\u67e5\u770b\u4e0b\u56fe\u3002<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

      \u4e0a\u9762\u56fe\u4f8b\u8868\u660e\u4e86\u4e00\u4e0b\u51e0\u4ef6\u4e8b\u60c5\uff1a<\/p>\n\n\n\n

          1.\u5f53\u4f60\u7684\u7a97\u4f53\u4e2d\u7ed1\u5b9a\u4e863\u4e2a\u4e0d\u540c\u7684\u6570\u636e\u6e90\uff0c\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u5c31\u4f1a\u81ea\u52a8\u4ea7\u751f\u4e09\u4e2a\u5bf9\u5e94\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u4e0e\u6570\u636e\u6e90\u5bf9\u8c61\u5bf9\u5e94\u3002\u5176\u5b9e\u66f4\u4e3a\u51c6\u786e\u7684\u8bf4\u6cd5\u662f\uff0c\u5982\u679c\u4f60\u7684\u7a97\u4f53\u7ed1\u5b9a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u90a3\u4e48\u5c31\u4f1a\u4ea7\u751f\u4e09\u4e2a\u72ec\u7acb\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u4e0e\u5176\u5bf9\u5e94\u3002\u81f3\u4e8e\u662f\u4ea7\u751fPropertyManager\u8fd8\u662fCurrencyManager\u5c31\u8981\u53d6\u51b3\u4e0e\u4f60\u7ed1\u5b9a\u7684\u6570\u636e\u6e90\u662f\u5355\u4e00\u5bf9\u8c61\u8fd8\u662f\u5217\u8868\uff08\u96c6\u5408\uff09\u5bf9\u8c61\u4e86\u3002\u4e0a\u56fe\u8bf4\u660e\u4e86\u8fd9\u4e00\u4e2a\u70b9\uff0c\u5982\u679c\u662f\u7ed1\u5b9a\u7684\u662f\u5355\u4e00\u5bf9\u8c61\u5c31\u4f1a\u4ea7\u751fPorpertyManager\uff0c\u800c\u5982\u679c\u662f\u5217\u8868\uff08\u96c6\u5408\uff09\u5bf9\u8c61\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2aCurrencyManager\u3002      <\/p>\n\n\n\n

    2. PropertyManager\u4e3b\u8981\u7ba1\u7406\u4e00\u7ec4\u76f8\u5173\u7684Binding\u5bf9\u8c61\uff0c\u800cCurrencyManager\u4e3b\u8981\u7ba1\u7406\u7740\u76f8\u5e94\u7684\u5bf9\u8c61\u96c6\u5408\uff08\u5217\u8868\u5bf9\u8c61\uff09\u3002\u4e24\u4e2a\u5bf9\u8c61\u7ba1\u7406\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u4e00\u4e2a\u4e3b\u8981\u7ba1\u7406\u6570\u636e\u7ed1\u5b9a\u7684\u57fa\u7840\u5bf9\u8c61Binding\uff0c\u800c\u4e00\u4e2a\u4e3b\u8981\u7ba1\u7406\u6570\u636e\u7ed1\u5b9a\u7684\u540e\u7aef\u6570\u636e\u6e90\u5bf9\u8c61\u96c6\u5408\u3002<\/p>\n\n\n\n

     \u6bd4\u5982CurrencyManager\u53ef\u4ee5\u6bcf\u6b21\u4ece\u96c6\u5408\u5bf9\u8c61\u4e2d\u730e\u53d6\u4e00\u4e2a\u5bf9\u8c61\u7136\u540e\u5c06\u5176\u7ed1\u5b9a\u7684\u5230\u7a97\u4f53\u63a7\u4ef6\u4e2d\u53bb\uff0c\u5b83\u4e5f\u53ef\u4ee5\u5728\u96c6\u5408\u5bf9\u8c61\u4e2d\u8fdb\u884c\u5bfc\u822a\u3002\u6216\u4e5f\u53ef\u4ee5\u65b0\u589e\u65b0\u7684\u5bf9\u8c61\u96c6\u5408\u4e2d\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n

     3.\u56e0\u4e3a\u5bf9\u4e8e\u540c\u4e00\u7a97\u4f53\u800c\u8a00\uff0c\u53ef\u80fd\u7ed1\u5b9a\u5230\u591a\u4e2a\u6570\u636e\u6e90\u4e5f\u5c31\u4f1a\u4ea7\u751f\u591a\u4e2a\u201c\u7ba1\u7406\u8005\u201d\uff0c\u800c\u6bcf\u4e00\u4e2a\u6570\u636e\u6e90\u90fd\u4f1a\u5bf9\u5e94\u4e00\u4e2a\u72ec\u7acb\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7a97\u4f53\u7684BindingContext\u5bf9\u8c61\u83b7\u5f97\u67d0\u4e2a\u7279\u5b9a\u6570\u636e\u6e90\u5bf9\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002<\/p>\n\n\n\n

     \u6bd4\u5982\uff1a\u7a97\u4f53\u4e2d\u7684\u6570\u636e\u6e90\u662fHumanList(\u96c6\u5408),\u90a3\u4e48\u5f53\u7a97\u4f53\u548c\u8fd9\u4e2a\u96c6\u5408\u53d1\u751f\u7ed1\u5b9a\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e0b\u7684\u65b9\u5f0f\u83b7\u5f97\u4e00\u4e2aCurrencyManager\u5bf9\u8c61\u3002Code<\/p>\n\n\n\n

\u5176\u6ce8\u610f\u4ee5\u4e0a\u7684\u7b2c9\u884c\u7684\u8bed\u53e5this.BindingContext[list]\u3002\u5176\u4e2d\u7a97\u4f53\u6709\u4e00\u4e2aBindingContext\u5c5e\u6027\uff0c\u5b83\u5728\u53d1\u751f\u6570\u636e\u7ed1\u5b9a\u540e\u4f1a\u81ea\u52a8\u7ef4\u6301\u4e00\u4e2akey\/value\u7684\u96c6\u5408\uff0c\u8fd9\u4e2a\u96c6\u5408\u662f\u4e00\u6570\u636e\u6e90\u5bf9\u8c61\u4f5c\u4e3aKEY\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7279\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u627e\u5230\u76f8\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u6ce8\u610f\u524d\u9762\u6211\u5df2\u7ecf\u8bf4\u8fc7\u5bf9\u4e8e\u6bcf\u4e2a\u6570\u636e\u6e90\u800c\u8a00\u90fd\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u5e94\u4e3a\u6570\u636e\u6e90\u662f\u96c6\u5408\u7c7b\u578b\u6240\u4ee5\u4f1a\u4ea7\u751f\u4e00\u4e2aCurrencyManager\u5bf9\u8c61\u3002<\/p>\n\n\n\n

     \u73b0\u5728\u53ef\u4ee5\u505a\u4e2a\u5c0f\u7ed3\uff1aBindingContext\u7c7b\u7ef4\u6301\u4e00\u7ec4\u53ef\u80fdBindingManagerBase\u5bf9\u8c61\uff0c\u800c\u8fd9\u4e9bBindingManagerBase\u5bf9\u8c61\u548c\u6570\u636e\u6e90\u5bf9\u8c61\u53c8\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\u3002<\/p>\n\n\n\n

\n\n\n\n

     \u590d\u6742\u7684\u8bb2\u89e3\u5230\u6b64\uff0c\u4e0b\u9762\u6211\u5c31\u505a\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u4f53\u4f1a\u4e00\u4e0b\u4e0a\u9762\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n

     1.\u9996\u5148\uff1a\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5bf9\u8c61\uff1aPerson\u7c7b<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

using System;
using System.Collections.Generic;
using System.Text;<\/p>\n\n\n\n

namespace AppBindingContext
{
    public class Person
    {
        private string _lastName;<\/p>\n\n\n\n

        public string LastName
        {
            get { return _lastName; }
            set { _lastName = value; }
        }
        private string _firstName;<\/p>\n\n\n\n

        public string FirstName
        {
            get { return _firstName; }
            set { _firstName = value; }
        }
        private int _age;<\/p>\n\n\n\n

        public int Age
        {
            get { return _age; }
            set { _age = value; }
        }
        public Person() { }
        public Person(string lastName, string firstName, int age)
        {
            this.LastName = lastName;
            this.FirstName = firstName;
            this.Age = age;
        }
    }
}<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

     2. \u6211\u4eec\u5efa\u7acb\u4e00\u4e2aWinform\u754c\u9762\uff0c\u7136\u540e\u4f7f\u7528List<T>\u4f5c\u4e3a\u96c6\u5408\u6765\u4fdd\u5b58\u591a\u4e2aPerson\u5bf9\u8c61\u3002
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Text;
 7 using System.Windows.Forms;
 8 
 9 namespace AppBindingContext
10 {
11     public partial class Form1 : Form
12     {
13         \/\/\u58f0\u660e\u4e00\u4e2a\u7ba1\u7406\u8005
14         private CurrencyManager cm;
15         public Form1()
16         {
17             InitializeComponent();
18             \/\/\u5efa\u7acb\u6570\u636e\u6e90\u96c6\u5408.
19             List<Person> list = new List<Person>();
20             list.Add(new Person(“LastName1”, “FirstName1”, 30));
21             list.Add(new Person(“LastName2”, “FirstName2”, 31));
22             list.Add(new Person(“LastName3”, “FirstName3”, 32));
23             list.Add(new Person(“LastName4”, “FirstName4”, 33));
24             \/\/\u6570\u636e\u7ed1\u5b9a
25             this.textBox1.DataBindings.Add(“Text”, list, “LastName”);
26             this.textBox2.DataBindings.Add(“Text”, list, “FirstName”);
27             this.textBox3.DataBindings.Add(“Text”, list, “Age”);
28             this.dataGridView1.DataSource = list;
29             \/\/\u901a\u8fc7\u6307\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u83b7\u5f97\u76f8\u5e94\u7684CurrencyManager\u5bf9\u8c61\uff0e
30             cm = (CurrencyManager)this.BindingContext[list];
31         }
32         \/\/\u70b9\u51fb\u6b64\u6309\u94ae\u53ef\u4ee5\u5bfc\u822a\u5230\u4e0a\u4e00\u6761\u8bb0\u5f55
33         private void button1_Click(object sender, EventArgs e)
34         {
35             cm.Position–;
36         }
37         \/\/\u70b9\u51fb\u6b64\u6309\u94ae\u53ef\u4ee5\u5bfc\u822a\u5230\u4e0b\u4e00\u6761\u8bb0\u5f55
38         private void button2_Click(object sender, EventArgs e)
39         {
40             cm.Position++;
41         }
42     }
43 }<\/p>\n\n\n\n

 \u4ee3\u7801\u4e0b\u8f7d<\/a><\/p>\n\n\n\n

    \u5148\u4e0b\u8f7d\u4e0a\u9762\u7684\u4ee3\u7801\u770b\u770b\uff0c\u4f53\u4f1a\u4e00\u4e0bCurrencyManager\u7684\u4f5c\u7528\uff0e\u4f60\u4e5f\u53ef\u4ee5\u770b\u770bCurrencyManager\u7684\u5176\u4ed6\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\uff0c\u5176\u5b9e\u5927\u81f4\u5c31\u53ef\u4ee5\u660e\u767d\u8fd9\u4e2a\u5bf9\u8c61\u662f\u505a\u4ec0\u4e48\u7528\uff0e<\/p>\n\n\n\n

\u5b83\u516c\u5e03\u51fa\u6765\u7684\u5f88\u591a\u65b9\u6cd5\u5176\u5b9e\u90fd\u662f\u7528\u4e8e\u64cd\u4f5c\u96c6\u5408\u7528\u7684\uff0e\u7136\u800c\u8fd9\u79cd\uff02\u64cd\u4f5c\uff02\u662f\u4f9d\u8d56\u6570\u636e\u7ed1\u5b9a\u5b8c\u6210\u7684\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u7684\u4e3a\u4e86\u64cd\u4f5c\u96c6\u5408\u800c\u64cd\u4f5c\uff0e<\/p>\n\n\n\n

WinForm\u6570\u636e\u7ed1\u5b9a–BindingContext<\/a><\/p>\n\n\n\n

     \u524d\u9762\u7ae0\u8282\u4e2d\uff0c\u5bf9\u7b80\u5355\u7ed1\u5b9a\u548c\u590d\u6742\u7ed1\u5b9a\u505a\u4e86\u7b80\u5355\u7684\u63cf\u8ff0\u3002\u5728\u8fd9\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6240\u6709\u7684\u8fd9\u4e9b\u4e1c\u897f\u4e32\u5728\u4e00\u8d77\u770b\u770b\u6570\u636e\u7ed1\u5b9a\u7684\u5168\u8c8c\u3002<\/p>\n\n\n\n

     Binding\u5bf9\u8c61:\u4ee3\u8868\u67d0\u5bf9\u8c61\u5c5e\u6027\u503c\u548c\u67d0\u63a7\u4ef6\u5c5e\u6027\u503c\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002\u5176\u4e3b\u8981\u8d1f\u8d23\u5c06\u63a7\u4ef6\u7684\u5c5e\u6027\u548c\u5bf9\u8c61\u7684\u5c5e\u6027\u8fdb\u884c\u5173\u8054\u3002<\/p>\n\n\n\n

     BindingManagerBase:\u7ba1\u7406\u7ed1\u5b9a\u5230\u76f8\u540c\u6570\u636e\u6e90\u548c\u6570\u636e\u6210\u5458\u7684\u6240\u6709 Binding \u5bf9\u8c61\u3002 \u8fd9\u4e2a\u5bf9\u8c61\u5728\u524d\u9762\u7684\u7ae0\u8282\u4e2d\u6ca1\u6709\u6d89\u53ca\uff0c\u4f46\u5b9e\u9645\u4e0a\u4e0d\u7ba1\u662f\u7b80\u5355\u7ed1\u5b9a\u8fd8\u662f\u590d\u6742\u7ed1\u5b9a\u4e2d\u90fd\u4f7f\u7528\u5230\u4e86\u8fd9\u4e2a\u5bf9\u8c61\u7684\u76f8\u5e94\u7684\u6d3e\u751f\u7c7b\u3002<\/p>\n\n\n\n

     BindingContext\u5bf9\u8c61:  \u8d1f\u8d23\u7ba1\u7406\u4eceControl\u7c7b\u7ee7\u627f\u7684\u4efb\u610f\u5bf9\u8c61\u7684 BindingManagerBase\u5bf9\u8c61\u96c6\u5408\u53ea\u8981\u53d1\u751f\u6570\u636e\u7ed1\u5b9a\uff0c\u90a3\u5728\u4e00\u4e2aFORM\u4e2d\u5c31\u4e00\u5b9a\u5b58\u5728\u4e00\u4e2aBindingContext\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Form\u5bf9\u8c61BindingContext\u5c5e\u6027\u83b7\u5f97\u4e00\u4e2aBindingContext\u5bf9\u8c61\u3002<\/p>\n\n\n\n

     \u8fd9\u4e09\u4e2a\u5bf9\u8c61\u638c\u7ba1\u7740\u6570\u636e\u7ed1\u5b9a\u7684\u4e3b\u8981\u529f\u80fd\u3002\u6211\u4eec\u5148\u6765\u770b\u770b\u5176\u5173\u7cfb\uff1a<\/p>\n\n\n\n

          1. Binding\u5bf9\u8c61\u8d1f\u8d23\u5c06\u63a7\u4ef6\u7684\u5c5e\u6027\u548c\u5bf9\u8c61\u7684\u5c5e\u6027\u5173\u8054\u8d77\u6765\u3002\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\u4f1a\u88ab\u81ea\u52a8\u4f20\u9012\u4e2a\u63a7\u4ef6\u7684\u5c5e\u6027\uff0c\u800c\u63a7\u4ef6\u7684\u5c5e\u6027\u503c\u66f4\u6539\u540e\u4e5f\u4f1a\u76f4\u63a5\u4f20\u56de\u5bf9\u8c61\u7684\u5c5e\u6027\uff08\u53cc\u5411\u7ed1\u5b9a\uff09\u3002<\/p>\n\n\n\n

          2. \u5728\u4e00\u4e2aWinForm\u754c\u9762\u4e2d\u603b\u662f\u4f1a\u5b58\u5728\u591a\u4e2a\u63a7\u4ef6\u3002\u6240\u4ee5\uff0c\u4e00\u822c\u90fd\u4f1a\u6709\u4e00\u7ec4Binding\u5bf9\u8c61\u6765\u7ba1\u7406\u4e0d\u540c\u63a7\u4ef6\u4e2d\u7684\u5c5e\u6027\u548c\u76f8\u540c\u6570\u636e\u6e90\u4e2d\u5c5e\u6027\u7684\u5173\u8054\u5173\u7cfb\u3002\u4e3a\u4e86\u80fd\u65b9\u4fbf\u7684\u7ba1\u7406\u8fd9\u6837\u7684\u4e00\u7ec4Binding\u5bf9\u8c61\uff0c\u6211\u4eec\u4f7f\u7528\u7ee7\u627f\u81f3BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u8fdb\u884c\u7ba1\u7406\u5de5\u4f5c\u3002BindingManagerBase\u6709\u4e24\u4e2a\u5b50\u7c7b\uff1aPropertyManager\u548cCurrencyManager.<\/p>\n\n\n\n

              \u5176\u4e2d\uff1aPropertyManager : \u7ef4\u62a4\u5bf9\u8c61\u7684\u5c5e\u6027\u4e0e\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u5c5e\u6027\u4e4b\u95f4\u7684 Binding\u3002\uff08\u89c1\u7b80\u5355\u7ed1\u5b9a\u7684\u63cf\u8ff0\uff09<\/p>\n\n\n\n

                      CurrencyManager : \u7ba1\u7406 Binding \u5bf9\u8c61\u7684\u5217\u8868\u3002\u7ba1\u7406\u5217\u8868\u6216\u96c6\u5408\u7c7b\u578b\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u3002\uff08\u89c1\u590d\u6742\u7ed1\u5b9a\u7684\u63cf\u8ff0\uff09<\/p>\n\n\n\n

     \u65e0\u8bba\u662fPropertyManager\u8fd8\u662fCurrencyManager\u603b\u662f\u548c\u4e00\u4e2a\u6570\u636e\u6e90\u5bf9\u8c61\u7684\u5bf9\u5e94\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61(\u65e0\u8bba\u662f\u5355\u4e00\u5bf9\u8c61\u8fd8\u662f\u96c6\u5408\u7c7b\u5bf9\u8c61\uff09\u90fd\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u3002<\/p>\n\n\n\n

          3.\u5bf9\u540c\u4e00\u7a97\u4f53\u800c\u8a00\uff0c\u901a\u5e38\u90fd\u4f1a\u9762\u5bf9\u591a\u4e2a\u6570\u636e\u6e90\u800c\u4e0d\u662f\u4e00\u4e2a\u3002\u6240\u4ee5\uff0c\u4e5f\u5c31\u4f1a\u4ea7\u751f\u591a\u4e2aPropertyManager\u6216CurrencyManager\u5bf9\u8c61\u3002BindingContext\u5c31\u4e3b\u8981\u8d1f\u8d23\u7ba1\u7406\u591a\u4e2aBindingManagerBase\u7684\u5b50\u5bf9\u8c61\u3002BindingContext\u53ef\u4ee5\u901a\u8fc7\u7a97\u4f53\u7684BindingContext\u5c5e\u6027\u83b7\u5f97\u3002\u5b83\u662f\u4e00\u4e2a\u5b57\u5178\u7684\u96c6\u5408\u3002<\/p>\n\n\n\n

     \u4e3a\u4e86\u66f4\u597d\u7684\u8bf4\u660e\u8fd9\u4e09\u7c7b\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8bf7\u67e5\u770b\u4e0b\u56fe\u3002<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

      \u4e0a\u9762\u56fe\u4f8b\u8868\u660e\u4e86\u4e00\u4e0b\u51e0\u4ef6\u4e8b\u60c5\uff1a<\/p>\n\n\n\n

          1.\u5f53\u4f60\u7684\u7a97\u4f53\u4e2d\u7ed1\u5b9a\u4e863\u4e2a\u4e0d\u540c\u7684\u6570\u636e\u6e90\uff0c\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u5c31\u4f1a\u81ea\u52a8\u4ea7\u751f\u4e09\u4e2a\u5bf9\u5e94\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u4e0e\u6570\u636e\u6e90\u5bf9\u8c61\u5bf9\u5e94\u3002\u5176\u5b9e\u66f4\u4e3a\u51c6\u786e\u7684\u8bf4\u6cd5\u662f\uff0c\u5982\u679c\u4f60\u7684\u7a97\u4f53\u7ed1\u5b9a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u90a3\u4e48\u5c31\u4f1a\u4ea7\u751f\u4e09\u4e2a\u72ec\u7acb\u7684BindingManagerBase\u7684\u5b50\u5bf9\u8c61\u4e0e\u5176\u5bf9\u5e94\u3002\u81f3\u4e8e\u662f\u4ea7\u751fPropertyManager\u8fd8\u662fCurrencyManager\u5c31\u8981\u53d6\u51b3\u4e0e\u4f60\u7ed1\u5b9a\u7684\u6570\u636e\u6e90\u662f\u5355\u4e00\u5bf9\u8c61\u8fd8\u662f\u5217\u8868\uff08\u96c6\u5408\uff09\u5bf9\u8c61\u4e86\u3002\u4e0a\u56fe\u8bf4\u660e\u4e86\u8fd9\u4e00\u4e2a\u70b9\uff0c\u5982\u679c\u662f\u7ed1\u5b9a\u7684\u662f\u5355\u4e00\u5bf9\u8c61\u5c31\u4f1a\u4ea7\u751fPorpertyManager\uff0c\u800c\u5982\u679c\u662f\u5217\u8868\uff08\u96c6\u5408\uff09\u5bf9\u8c61\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2aCurrencyManager\u3002      <\/p>\n\n\n\n

    2. PropertyManager\u4e3b\u8981\u7ba1\u7406\u4e00\u7ec4\u76f8\u5173\u7684Binding\u5bf9\u8c61\uff0c\u800cCurrencyManager\u4e3b\u8981\u7ba1\u7406\u7740\u76f8\u5e94\u7684\u5bf9\u8c61\u96c6\u5408\uff08\u5217\u8868\u5bf9\u8c61\uff09\u3002\u4e24\u4e2a\u5bf9\u8c61\u7ba1\u7406\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u4e00\u4e2a\u4e3b\u8981\u7ba1\u7406\u6570\u636e\u7ed1\u5b9a\u7684\u57fa\u7840\u5bf9\u8c61Binding\uff0c\u800c\u4e00\u4e2a\u4e3b\u8981\u7ba1\u7406\u6570\u636e\u7ed1\u5b9a\u7684\u540e\u7aef\u6570\u636e\u6e90\u5bf9\u8c61\u96c6\u5408\u3002<\/p>\n\n\n\n

     \u6bd4\u5982CurrencyManager\u53ef\u4ee5\u6bcf\u6b21\u4ece\u96c6\u5408\u5bf9\u8c61\u4e2d\u730e\u53d6\u4e00\u4e2a\u5bf9\u8c61\u7136\u540e\u5c06\u5176\u7ed1\u5b9a\u7684\u5230\u7a97\u4f53\u63a7\u4ef6\u4e2d\u53bb\uff0c\u5b83\u4e5f\u53ef\u4ee5\u5728\u96c6\u5408\u5bf9\u8c61\u4e2d\u8fdb\u884c\u5bfc\u822a\u3002\u6216\u4e5f\u53ef\u4ee5\u65b0\u589e\u65b0\u7684\u5bf9\u8c61\u96c6\u5408\u4e2d\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n

     3.\u56e0\u4e3a\u5bf9\u4e8e\u540c\u4e00\u7a97\u4f53\u800c\u8a00\uff0c\u53ef\u80fd\u7ed1\u5b9a\u5230\u591a\u4e2a\u6570\u636e\u6e90\u4e5f\u5c31\u4f1a\u4ea7\u751f\u591a\u4e2a\u201c\u7ba1\u7406\u8005\u201d\uff0c\u800c\u6bcf\u4e00\u4e2a\u6570\u636e\u6e90\u90fd\u4f1a\u5bf9\u5e94\u4e00\u4e2a\u72ec\u7acb\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7a97\u4f53\u7684BindingContext\u5bf9\u8c61\u83b7\u5f97\u67d0\u4e2a\u7279\u5b9a\u6570\u636e\u6e90\u5bf9\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002<\/p>\n\n\n\n

     \u6bd4\u5982\uff1a\u7a97\u4f53\u4e2d\u7684\u6570\u636e\u6e90\u662fHumanList(\u96c6\u5408),\u90a3\u4e48\u5f53\u7a97\u4f53\u548c\u8fd9\u4e2a\u96c6\u5408\u53d1\u751f\u7ed1\u5b9a\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e0b\u7684\u65b9\u5f0f\u83b7\u5f97\u4e00\u4e2aCurrencyManager\u5bf9\u8c61\u3002Code<\/p>\n\n\n\n

\u5176\u6ce8\u610f\u4ee5\u4e0a\u7684\u7b2c9\u884c\u7684\u8bed\u53e5this.BindingContext[list]\u3002\u5176\u4e2d\u7a97\u4f53\u6709\u4e00\u4e2aBindingContext\u5c5e\u6027\uff0c\u5b83\u5728\u53d1\u751f\u6570\u636e\u7ed1\u5b9a\u540e\u4f1a\u81ea\u52a8\u7ef4\u6301\u4e00\u4e2akey\/value\u7684\u96c6\u5408\uff0c\u8fd9\u4e2a\u96c6\u5408\u662f\u4e00\u6570\u636e\u6e90\u5bf9\u8c61\u4f5c\u4e3aKEY\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7279\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u627e\u5230\u76f8\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u6ce8\u610f\u524d\u9762\u6211\u5df2\u7ecf\u8bf4\u8fc7\u5bf9\u4e8e\u6bcf\u4e2a\u6570\u636e\u6e90\u800c\u8a00\u90fd\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u201c\u7ba1\u7406\u8005\u201d\u3002\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u5e94\u4e3a\u6570\u636e\u6e90\u662f\u96c6\u5408\u7c7b\u578b\u6240\u4ee5\u4f1a\u4ea7\u751f\u4e00\u4e2aCurrencyManager\u5bf9\u8c61\u3002<\/p>\n\n\n\n

     \u73b0\u5728\u53ef\u4ee5\u505a\u4e2a\u5c0f\u7ed3\uff1aBindingContext\u7c7b\u7ef4\u6301\u4e00\u7ec4\u53ef\u80fdBindingManagerBase\u5bf9\u8c61\uff0c\u800c\u8fd9\u4e9bBindingManagerBase\u5bf9\u8c61\u548c\u6570\u636e\u6e90\u5bf9\u8c61\u53c8\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\u3002<\/p>\n\n\n\n

\n\n\n\n

     \u590d\u6742\u7684\u8bb2\u89e3\u5230\u6b64\uff0c\u4e0b\u9762\u6211\u5c31\u505a\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u4f53\u4f1a\u4e00\u4e0b\u4e0a\u9762\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n

     1.\u9996\u5148\uff1a\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5bf9\u8c61\uff1aPerson\u7c7b<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

using System;
using System.Collections.Generic;
using System.Text;<\/p>\n\n\n\n

namespace AppBindingContext
{
    public class Person
    {
        private string _lastName;<\/p>\n\n\n\n

        public string LastName
        {
            get { return _lastName; }
            set { _lastName = value; }
        }
        private string _firstName;<\/p>\n\n\n\n

        public string FirstName
        {
            get { return _firstName; }
            set { _firstName = value; }
        }
        private int _age;<\/p>\n\n\n\n

        public int Age
        {
            get { return _age; }
            set { _age = value; }
        }
        public Person() { }
        public Person(string lastName, string firstName, int age)
        {
            this.LastName = lastName;
            this.FirstName = firstName;
            this.Age = age;
        }
    }
}<\/p>\n\n\n\n

\"\u590d\u5236\u4ee3\u7801\"\/<\/a><\/figure>\n\n\n\n

     2. \u6211\u4eec\u5efa\u7acb\u4e00\u4e2aWinform\u754c\u9762\uff0c\u7136\u540e\u4f7f\u7528List<T>\u4f5c\u4e3a\u96c6\u5408\u6765\u4fdd\u5b58\u591a\u4e2aPerson\u5bf9\u8c61\u3002
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Text;
 7 using System.Windows.Forms;
 8 
 9 namespace AppBindingContext
10 {
11     public partial class Form1 : Form
12     {
13         \/\/\u58f0\u660e\u4e00\u4e2a\u7ba1\u7406\u8005
14         private CurrencyManager cm;
15         public Form1()
16         {
17             InitializeComponent();
18             \/\/\u5efa\u7acb\u6570\u636e\u6e90\u96c6\u5408.
19             List<Person> list = new List<Person>();
20             list.Add(new Person(“LastName1”, “FirstName1”, 30));
21             list.Add(new Person(“LastName2”, “FirstName2”, 31));
22             list.Add(new Person(“LastName3”, “FirstName3”, 32));
23             list.Add(new Person(“LastName4”, “FirstName4”, 33));
24             \/\/\u6570\u636e\u7ed1\u5b9a
25             this.textBox1.DataBindings.Add(“Text”, list, “LastName”);
26             this.textBox2.DataBindings.Add(“Text”, list, “FirstName”);
27             this.textBox3.DataBindings.Add(“Text”, list, “Age”);
28             this.dataGridView1.DataSource = list;
29             \/\/\u901a\u8fc7\u6307\u5b9a\u7684\u6570\u636e\u6e90\u5bf9\u8c61\u83b7\u5f97\u76f8\u5e94\u7684CurrencyManager\u5bf9\u8c61\uff0e
30             cm = (CurrencyManager)this.BindingContext[list];
31         }
32         \/\/\u70b9\u51fb\u6b64\u6309\u94ae\u53ef\u4ee5\u5bfc\u822a\u5230\u4e0a\u4e00\u6761\u8bb0\u5f55
33         private void button1_Click(object sender, EventArgs e)
34         {
35             cm.Position–;
36         }
37         \/\/\u70b9\u51fb\u6b64\u6309\u94ae\u53ef\u4ee5\u5bfc\u822a\u5230\u4e0b\u4e00\u6761\u8bb0\u5f55
38         private void button2_Click(object sender, EventArgs e)
39         {
40             cm.Position++;
41         }
42     }
43 }<\/p>\n\n\n\n

 \u4ee3\u7801\u4e0b\u8f7d<\/a><\/p>\n\n\n\n

    \u5148\u4e0b\u8f7d\u4e0a\u9762\u7684\u4ee3\u7801\u770b\u770b\uff0c\u4f53\u4f1a\u4e00\u4e0bCurrencyManager\u7684\u4f5c\u7528\uff0e\u4f60\u4e5f\u53ef\u4ee5\u770b\u770bCurrencyManager\u7684\u5176\u4ed6\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\uff0c\u5176\u5b9e\u5927\u81f4\u5c31\u53ef\u4ee5\u660e\u767d\u8fd9\u4e2a\u5bf9\u8c61\u662f\u505a\u4ec0\u4e48\u7528\uff0e<\/p>\n\n\n\n

\u5b83\u516c\u5e03\u51fa\u6765\u7684\u5f88\u591a\u65b9\u6cd5\u5176\u5b9e\u90fd\u662f\u7528\u4e8e\u64cd\u4f5c\u96c6\u5408\u7528\u7684\uff0e\u7136\u800c\u8fd9\u79cd\uff02\u64cd\u4f5c\uff02\u662f\u4f9d\u8d56\u6570\u636e\u7ed1\u5b9a\u5b8c\u6210\u7684\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u7684\u4e3a\u4e86\u64cd\u4f5c\u96c6\u5408\u800c\u64cd\u4f5c\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"

 \u4e0b\u9762\u6211\u6f14\u793a\u4e00\u4e0b\u4f7f\u7528\u6570\u636e\u7ed1\u5b9a\u7684\u60c5\u51b5\u4f1a\u5982\u4f55    Form2\u7684\u754c\u9762\u548cForm1\u7684\u754c\u9762\u4e00\u81f4\uff0c\u4f60\u53ef\u4ee5\u91cd\u590d\u4f60\u5728Form1\u4e2d\u6240\u505a\u7684\u4e8b\u60c5\uff0c\u770b\u770b\u4f1a\u600e\u4e48\u6837\u3002\u6ce8\u610f\u4e00\u70b9\uff0c\u5f53\u4f60\u4fee\u6539\u4e86\u63a7\u4ef6\u4e2d\u7684\u6570\u636e\u540e\u8bf7\u5c06\u9f20\u6807\u79fb\u52a8\u5230\u5176\u4ed6\u7684\u63a7\u4ef6\u4e0a\u53bb\uff0c\u4ee5\u4fbf\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u53ef\u4ee5\u5e2e\u4f60\u505a\u6570\u636e\u540c\u6b65\u7684\u4e8b\u60c5\u3002    Form2\u7684\u4ee3\u7801\uff1a     1using System; 2using System.Collections.Generic; 3using System.ComponentModel; 4using System.Data; 5using System.Drawing; 6using System.Text; 7using System.Windows.Forms; 8 9namespace SimplyDataBinding10{11    public partial class Form2 : Form12    {13        Person person;14        public Form2()15        {16            InitializeComponent();17            person = new Person(“Cai”, “Peng”, 32);18            this.txtFirstname1.DataBindings.Add(“Text”, person, “Firstname”);19            this.txtLastname1.DataBindings.Add(“Text”, person, “Lastname”);20            this.txtAge1.DataBindings.Add(“Text”, person, “Age”);21            this.txtFirstname2.DataBindings.Add(“Text”, person, “Firstname”);22            this.txtLastname2.DataBindings.Add(“Text”, person, “Lastname”);23            this.txtAge2.DataBindings.Add(“Text”, person, “Age”);2425        }26    }27}     \u4f60\u4eec\u5e94\u8be5\u53ef\u4ee5\u53d1\u73b0\u8fd9\u6bb5\u4ee3\u7801\u548cForm1\u4e2d\u7684\u4ee3\u7801\u7684\u533a\u522b\u4e86\u5427\u3002\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u4ee5\u6570\u636e\u7ed1\u5b9a\u7684\u65b9\u5f0f\u5b8c\u6210\u7684\u3002\u540e\u9762\u6211\u5c06\u8be6\u7ec6\u89e3\u91ca\u8fd9\u4e9b\u4ee3\u7801\u3002        \u4f60\u4e00\u5b9a\u53d1\u73b0\u4e86\uff0c\u5982\u679c\u4f60\u505a\u4e0a\u8ff0\u76f8\u540c\u7684\u64cd\u4f5c\u7684\u65f6\u5019\u4e24\u4e2a\u76f8\u5e94\u7684TextBox\u59cb\u7ec8\u4f1a\u4fdd\u6301\u4e00\u81f4\u7684\u6570\u636e\u3002\u800c\u8fd9\u4e00\u5207\u7684\u53d1\u751f\u5b8c\u5168\u662f\u81ea\u52a8\u7684\uff0c\u8fd9\u8981\u5f97\u610f\u4e8e\u6570\u636e\u7ed1\u5b9a\u4e86\u3002    \u8be5\u89e3\u91ca\u4e00\u4e0b\u4e86\u3002    this.txtFirstname1.DataBindings.Add(“Text”, person, “Firstname”);    \u4ed4\u7ec6\u770b\u770b\uff0c\u4f60\u80fd\u53d1\u73b0\uff0c”Text” \u662f\u4e0d\u662f\u5c31\u662fTextBox\u7684Text\u5c5e\u6027\u3002person \u5c31\u662f\u6570\u636e\u6e90\uff0c\u800c”Firstname” \u662fperson\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u4ece\u8fd9\u91cc\u5c31\u53ef\u4ee5\u770b\u7684\u51fa\u6765\uff0c\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u60f3\u628aText\u5c5e\u6027\u548cperson\u4e2d\u7684Firstname\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\u3002\u8fd9\u79cd\u5173\u8054\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u81ea\u52a8\u5448\u73b0\u548c\u81ea\u52a8\u63a5\u53d7\u66f4\u6539\u3002\u672c\u8d28\u4e0a\u800c\u8a00\uff0c\u6570\u636e\u7ed1\u5b9a\u57fa\u672c\u7684\u601d\u8def\u5c31\u5c06\u6570\u636e\u6e90\u4e2d\u7684\u67d0\u4e2a\u5c5e\u6027\u548c\u63a7\u4ef6\u4e2d\u7684\u67d0\u4e2a\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\uff0c\u4f7f\u5f97\u6570\u636e\u7ed1\u5b9a\u5f15\u64ce\u80fd\u4e3a\u4f60\u53bb\u5904\u7406\u591a\u4f59\u7684\u4e8b\u60c5\u3002    \u4e0b\u9762\u8bf4\u70b9\u590d\u6742\u70b9\u4e1c\u897f\u3002\u6570\u636e\u6e90\u7684\u5c5e\u6027\u548c\u63a7\u4ef6\u4e2d\u7684\u5c5e\u6027\u5173\u8054\u5176\u5b9e\u662f\u7531\u4e00\u4e2a\u7c7b\u6765\u7ba1\u7406\u7684\uff0c\u90a3\u4e2a\u7c7b\u5c31\u662fBinding\u7c7b\u3002\u4e0a\u9762\u7684\u4ee3\u7801\u4e5f\u53ef\u4ee5\u53d8\u6210\u4e00\u4e0b\u7684\u5f62\u5f0f   Binding binding = new Binding(“Text”, person, “FirstName”);this.txtFirstname1.DataBindings.Add(binding);    Binding\u4ee3\u8868\u67d0\u5bf9\u8c61\u5c5e\u6027\u503c\u548c\u67d0\u63a7\u4ef6\u5c5e\u6027\u503c\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002    \u7b2c\u4e00\u53c2\u6570\u662f\uff1a\u63a7\u4ef6\u7684\u67d0\u4e2a\u5c5e\u6027\u7684\u540d\u79f0\u8868\u793a\u3002    \u7b2c\u4e8c\u53c2\u6570\u662f\uff1a\u5bf9\u8c61    \u7b2c\u4e09\u53c2\u6570\u662f\uff1a\u8868\u793a\u7ed1\u5b9a\u7684\u5bf9\u8c61\u7684\u5c5e\u6027\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\u662f\u5c5e\u6027\u7684\u540d\u79f0\u3002 WinForm\u6570\u636e\u7ed1\u5b9a–\u7b80\u5355\u7ed1\u5b9a2     \u4e0a\u4e00\u7bc7\u4e2d\uff0c\u6211\u4ecb\u7ecd\u4e86\u5927\u81f4\u4ecb\u7ecd\u4e86\u4e00\u4e0b\u6570\u636e\u7ed1\u5b9a\u5b9e\u73b0\u7684\u539f\u7406\u548c\u89c1\u8bc6\u4e86\u4e00\u4e0b\u7b80\u5355\u7ed1\u5b9a\u3002\u7ee7\u7eed\u4ecb\u7ecd\uff0c\u7b80\u5355\u7ed1\u5b9a\u8fd8\u6ca1\u5b8c\u5168\u8bf4\u6e05\u695a\u3002Binding\u5bf9\u8c61\u662f\u7b80\u5355\u7ed1\u5b9a\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u4e00\u4e2a\u7c7b\u3002Binding\u521b\u5efa\u548c\u7ef4\u62a4\u67d0\u63a7\u4ef6\u7684\u5c5e\u6027\u4e0e\u67d0\u5bf9\u8c61\u7684\u5c5e\u6027\u6216\u5bf9\u8c61\u5217\u8868\u4e2d\u5f53\u524d\u5bf9\u8c61\u7684\u5c5e\u6027\u4e4b\u95f4\u7684\u7b80\u5355\u7ed1\u5b9a\u3002\u8fd9\u662fMSDN\u4e0a\u7684\u63cf\u8ff0\u3002\u4e0a\u4e00\u7bc7\u4e2d\u4f60\u4eec\u8ba4\u8bc6\u5230\u4e86\uff0c\u7ed1\u5b9a\u5176\u5b9e\u5c31\u662f\u63a7\u4ef6\u5c5e\u6027\u548c\u5bf9\u8c61\u6570\u636e\u4e4b\u95f4\u7684\u5173\u8054\u3002\u5728MSDN\u7684\u63cf\u8ff0\u4e2d\u4e5f\u8bf4\u660e\u4e86\u8fd9\u4e00\u70b9\u3002    \u6211\u4eec\u53ef\u4ee5\u5efa\u7acb\u4e00\u4e2aBinding\u5bf9\u8c61\u6765\u8868\u793a\u8fd9\u4e2a\u5173\u8054\uff0c\u4e00\u4e0b\u7684\u4ee3\u7801\u4f60\u4eec\u5df2\u7ecf\u89c1\u5230\u8fc7\u4e86.Binding binding = new Binding(“Text”, person, “FirstName”);this.txtFirstname1.DataBindings.Add(binding);        \u6211\u5df2\u7ecf\u5927\u6982\u89e3\u91ca\u4e86Binding\u7684\u6784\u9020\u51fd\u6570\u4e2d\u6bcf\u4e2a\u53c2\u6570\u7684\u542b\u4e49\u3002 \u73b0\u5728\u5177\u4f53\u6765\u8bf4\u660e\u4e00\u4e0b\u3002    \u7b2c\u4e00\u53c2\u6570\uff1a\u4f60\u8981\u6307\u5b9a\u4e00\u4e2a\u4f60\u63a7\u4ef6\u7684\u5c5e\u6027\uff08\u5982\uff1aText, Background, ForeColor\u7b49).     \u7b2c\u4e8c\u53c2\u6570\uff1a\u4f60\u8981\u6307\u5b9a\u4efb\u610f\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u6700\u4e3a\u6570\u636e\u6e90\u3002\u53ef\u80fd\u7684\u6570\u636e\u6e90\u5305\u62ec\uff1a        \u4efb\u610f\u5bf9\u8c61\u548c\u4e00\u4e0b\u5217\u4e3e\u7684\u5bf9\u8c61\u3002 \u8bf4\u660e C# \u793a\u4f8b \u5b9e\u73b0 IBindingList \u6216 ITypedList \u7684\u4efb\u4f55\u7c7b\u3002\u5305\u62ec\uff1aDataSet\u3001DataTable\u3001DataView \u6216 DataViewManager\u3002 DataSet ds = new DataSet(“myDataSet”); \u5b9e\u73b0 IList \u4ee5\u521b\u5efa\u5bf9\u8c61\u7d22\u5f15\u96c6\u5408\u7684\u4efb\u610f\u7c7b\u3002\u5fc5\u987b\u5728\u521b\u5efa Binding \u4e4b\u524d\u521b\u5efa\u548c\u586b\u5145\u8be5\u96c6\u5408\u3002\u5217\u8868\u4e2d\u7684\u6240\u6709\u5bf9\u8c61\u5fc5\u987b\u4e3a\u540c\u4e00\u7c7b\u578b\uff1b\u5426\u5219\u5c06\u5f15\u53d1\u5f02\u5e38\u3002 ArrayList ar1 = new ArrayList; Customer1 cust1 = new Customer(“Louis”); ar1.Add(cust1); \u5f3a\u7c7b\u578b\u5bf9\u8c61\u7684\u5f3a\u7c7b\u578b IList\u3002 Customer [] custList = new Customer[3];         \u4ee5\u4e0a\u662fMSDN\u4e2d\u5217\u4e3e\u7684\u3002    \u7b2c\u4e09\u53c2\u6570\uff1a\u9700\u8981\u6307\u5b9a\u7684\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002\uff08\u5728\u524d\u4e00\u6587\u7ae0\u4e2d\u7684\u4f8b\u5b50\u4e2d\u5c31\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5c5e\u6027\u7684\u540d\u79f0\uff09\u3002\u4f46\u5e76\u4e0d\u662f\u603b\u662f\u8fd9\u6837\u3002\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u8fd9\u6837\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002    \u6bd4\u5982\u6211\u4eec\u53c8\u4e00\u4e2aEmployee\u7c7b\u5e76\u4e14\u5b83\u62e5\u6709\u4e2a\u4e00\u5c5e\u6027\u662fCity(\u8868\u793a\u6240\u5728\u7684\u57ce\u5e02)\uff0c\u800c\u8fd9\u4e2a\u5c5e\u6027\u662f\u4e00\u4e2aCity\u7c7b\u578b\u3002City\u7c7b\u4e2d\u6709\u4e00\u4e2a\u5c5e\u6027\u662fName\u8868\u793a\u57ce\u5e02\u7684\u540d\u79f0\u3002    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e2d\u3002\u5982\u679c\u4f60\u60f3\u628aEmployee\u7c7b\u7684\u67d0\u4e2a\u5b9e\u4f8b\u7684City\u5c5e\u6027\u7684\u57ce\u5e02\u540d\u79f0\u7ed1\u5b9a\u5230\u4e00\u4e2aTextBox\u4e2d\u7684\u8bdd\u3002\u6211\u4eec\u5c31\u9700\u8981\u8fd9\u6837\u505a\uff1a    1\/\/\u5176\u4e2demployee\u8868\u793aEmployee\u7c7b\u7684\u5b9e\u4f8b\uff0c\u800c\u201cCity.Name\u201d\u8868\u793a\u63a7\u4ef6\u73b0\u5728\u7ed1\u5b9a\u7684\u662femployee\u7684City\u5c5e\u6027\u7684Name\u5c5e\u6027\u7684\u503c\u30022this.textBox1.DataBindings.Add(“Text”,employee, “City.Name”);    \u4e0b\u9762\u6211\u5efa\u7acb\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u66f4\u591a\u7684\u5173\u4e8e\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u7684\u7528\u6cd5\uff1a\uff08\u4e0b\u9762\u7684\u4f8b\u5b50\u53ea\u4f1a\u8bb2\u89e3\u7b80\u5355\u7ed1\u5b9a\u4e2d\u6d89\u53ca\u5230\u7684\u5185\u5bb9\uff09    1.\u5efa\u7acbCity\u7c7b     1using System; 2using System.Collections.Generic; 3using System.Text; 4 5namespace SimplyDataBinding2 6{ 7    public class City 8    { 9        private string _postalcode;10        \/\/\/ <summary>11        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u90ae\u653f\u7f16\u7801\u300212        \/\/\/ <\/summary>13        public string Postalcode14        {15            get { return _postalcode; }16            set { _postalcode = value; }17        }18        private string _name;19        \/\/\/ <summary>20        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u57ce\u5e02\u540d\u79f0\u300221        \/\/\/ <\/summary>22        public string Name23        {24            get { return _name; }25            set { _name = value; }26        }27        public City() { }28        public City(string postalcode, string name)29        {30            this.Postalcode = postalcode;31            this.Name = name;32        }33    }34}35     2.\u5efa\u7acbEmployee\u7c7b     1using System; 2using System.Collections.Generic; 3using System.Text; 4 5namespace SimplyDataBinding2 6{ 7    public class Employee 8    { 9        private string _name;10        \/\/\/ <summary>11        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u59d3\u540d\u300212        \/\/\/ <\/summary>13        public string Name14        {15            get { return _name; }16            set { _name = value; }17        }18        private string _title;19        \/\/\/ <summary>20        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u79f0\u547c\u300221        \/\/\/ <\/summary>22        public string Title23        {24            get { return _title; }25            set { _title = value; }26        }27        private City _city;28        \/\/\/ <summary>29        \/\/\/ \u83b7\u53d6\u6216\u8bbe\u7f6e\u6240\u5728\u57ce\u5e02\u300230        \/\/\/ <\/summary>31        public City City32        {33            get { return _city; }34            set { _city = value; }35        }36        public Employee() { }37        public Employee(string name, string title, City city)38        {39            this.Name = name;40            this.Title = title;41            this.City = city;42        }43    }44}45    \u8bf7\u6ce8\u610f31\u884c\uff0c\u6211\u58f0\u660e\u4e86\u4e00\u4e2aCity\u5c5e\u6027\uff0c\u5b83\u662f\u4e00\u4e2aCity\u7c7b\u578b\u3002     Form1.CS     1using System; 2using System.Collections.Generic; 3using System.ComponentModel; 4using System.Data; 5using System.Drawing; 6using System.Text; 7using System.Windows.Forms; 8 9namespace SimplyDataBinding210{11    public partial class Form1 : Form12    {13        public Form1()14        {15            InitializeComponent();16            Employee employee = new Employee(“Caipeng”, “Mr”, new City(“430071”, “Wuhan”));17            this.textBox1.DataBindings.Add(“Text”, employee, “Name”, true);18            this.textBox2.DataBindings.Add(“Text”, employee, “Title”, true);19            \/\/\u6ce8\u610f\u8fd9\u91cc\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u3002City\u5c5e\u6027\u672c\u8eab\u662f\u6307\u5411City\u7c7b\u7684\u4e00\u4e2a\u5b9e\u4f8b\u7684\u3002\u6240\u4ee5\u5b83\u6ca1\u6709\u529e\u6cd5\u88ab\u89e3\u6790\u4e3a\u80fd20            \/\/\u76f4\u63a5\u663e\u793a\u5728Text\u4e2d\u7684\u6570\u636e\u3002\u4e00\u4e0b\u7684\u8868\u8fbe\u5f0f\u6240\u8981\u8868\u8fbe\u7684\u662f\u6211\u9700\u8981\u90a3\u4e2aCity\u5b9e\u4f8b\u7684Name\u5c5e\u6027\u300221            this.textBox3.DataBindings.Add(“Text”, employee, “City.Name”, true);22        }23    }24}    \u6211\u5df2\u7ecf\u5728\u4ee3\u7801\u505a\u4e86\u8bf4\u660e\u3002\u4f60\u53ef\u4ee5\u81ea\u5df1\u770b\u770b\u3002\u4e0a\u9762\u6211\u91cd\u70b9\u7684\u7b80\u4ecb\u4e86\u4e00\u4e0b\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u662f\u7684\u4f5c\u7528\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u53bb\u66f4\u6df1\u5165\u7684\u8ba4\u8bc6\u4e00\u4e0bBinding\u7684\u4f5c\u7528\u3002    \u5982\u679c\u4f60\u4eec\u7559\u610f\u4e86\u7684\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u4f60\u5982\u679c\u4f60\u7684\u5c5e\u6027\u5373\u4f7f\u4e0d\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u4e00\u6837\u53ef\u4ee5\u5f88\u597d\u7684\u7ed1\u5b9a\u5230TextBox\u7684Text\u3002\u6570\u636e\u7ed1\u5b9a\u5728\u8fd9\u91cc\u53c8\u53d1\u529f\uff0c\u5b83\u8d1f\u8d23\u5c06\u7c7b\u578b\u8fdb\u884c\u4e86\u8f6c\u6362\u3002\u4e0d\u8fc7\u53ea\u6709\u4e00\u4e9b\u57fa\u672c\u7c7b\u578b\u80fd\u591f\u8fdb\u884c\u8f6c\u6362\u3002\u5982\u679c\u4f60\u9700\u8981\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u6210Image\u7c7b\u578b\uff0c\u90a3\u4f60\u5c31\u7684\u5904\u7406Binding\u7c7b\u4e2d\u7684\u4e24\u4e2a\u4e8b\u4ef6\u3002Format\u548cParse\u4e8b\u4ef6\u3002\u6211\u4eec\u901a\u5e38\u4f7f\u7528\u8fd9\u4e24\u4e2a\u4e8b\u4ef6\u6765\u8fdb\u884c\u6570\u636e\u7684\u8f6c\u6362\u3002    Format \u4e8b\u4ef6\uff1a\u5f53\u6570\u636e\u88ab\u7ed1\u5b9a\u5230\u63a7\u4ef6\u7684\u65f6\u5019\u89e6\u53d1\u3002\u5c31\u662f\u5728\u6570\u636e\u8981\u663e\u793a\u5230\u63a7\u4ef6\u4e2d\u7684\u65f6\u5019\u3002    Parse \u4e8b\u4ef6\uff1a\u5f53\u63a7\u4ef6\u7684\u5c5e\u6027\u53d1\u751f\u6539\u53d8\u800c\u5bfc\u81f4\u8981\u66f4\u65b0\u6570\u636e\u6e90\u7684\u65f6\u5019\u89e6\u53d1\u3002    \u8fd9\u4e24\u4e2a\u4e8b\u4ef6\u662f\u76f8\u5bf9\u7684\uff0c\u5206\u522b\u7ba1\u7406\u8fd9\u4ece\u6570\u636e\u6e90\u5230\u63a7\u4ef6\u548c\u63a7\u4ef6\u5230\u6570\u636e\u6e90\u7684\u4e24\u4e2a\u8fc7\u7a0b\u7684\u6570\u636e\u683c\u5f0f\u8f6c\u6362\u7684\u95ee\u9898\u3002    \u770b\u4f8b\u5b50\uff1a    \u6211\u628a\u4e0a\u9762\u7684\u4f8b\u5b50\u505a\u4e2a\u4fee\u6539\uff1a     1using System; 2using System.Collections.Generic; 3using System.ComponentModel; 4using System.Data; 5using System.Drawing; 6using System.Text; 7using System.Windows.Forms; 8 9namespace SimplyDataBinding210{11    public partial class Form2 : Form12    {13        Employee employee;14        public Form2()15        {16            InitializeComponent();17            employee = new Employee(“Caipeng”, “Mr”, new City(“430071”, “Wuhan”));18            this.textBox1.DataBindings.Add(“Text”, employee, “Name”, true);19            this.textBox2.DataBindings.Add(“Text”, employee, “Title”, true);20            \/\/\u6ce8\u610f\u8fd9\u91cc\u7684\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f\u662f”City”\u3002\u5b83\u662f\u53ef\u4ee5\u80fd\u591f\u76f4\u63a5\u663e\u793a\u5728Text\u5c5e\u6027\u4f46\u7edd\u5bf9\u4e0d\u662f\u4f60\u60f3\u8981\u7684\u503c\u300221            Binding cityBinding = new Binding(“Text”, employee, “City”);22            \/\/\u4f60\u53ef\u4ee5\u5c4f\u853d\u4e00\u4e0b\u7684\u4e24\u53e5\u8bdd\u6765\u770b\u770bText\u4e2d\u5230\u5e95\u4f1a\u663e\u793a\u4ec0\u4e48\u300223            cityBinding.Format += new ConvertEventHandler(cityBinding_Format);24            cityBinding.Parse += new ConvertEventHandler(cityBinding_Parse);25            this.textBox3.DataBindings.Add(cityBinding);26        }2728        string tempPostalcode = null;29        \/\/\/ <summary>30        \/\/\/ \u5f53\u63a7\u4ef6\u66f4\u65b0\u6570\u636e\u6e90\u7684\u65f6\u5019\u89e6\u53d1\u300231        \/\/\/ <\/summary>32        \/\/\/ <param name=”sender”><\/param>33        \/\/\/ <param name=”e”><\/param>34        void cityBinding_Parse(object sender, ConvertEventArgs e)35        {36            \/\/e.value\u5305\u542b\u4e86\u63a7\u4ef6\u4e2d\u76f8\u5e94\u5c5e\u6027\u7684\u503c\u300237            City city = new City(tempPostalcode, e.Value.ToString());38            e.Value = city;39        }4041        \/\/\/ <summary>42        \/\/\/ \u5f53\u6570\u636e\u88ab\u7ed1\u5b9a\u5230\u63a7\u4ef6\u4e0a\u7684\u65f6\u5019\u89e6\u53d1\u300243        \/\/\/ <\/summary>44        \/\/\/ <param name=”sender”><\/param>45        \/\/\/ <param name=”e”><\/param>46        void cityBinding_Format(object sender, ConvertEventArgs e)47        {48            \/\/\u6211\u5c06City\u7c7b\u578b\u8f6c\u6362\u6210\u6211\u60f3\u8981\u7684\u57ce\u5e02\u4fe1\u606f\u300249            \/\/e.Value \u5305\u542b\u7684\u662f\u6570\u636e\u6e90\u4e2d\u76f8\u5e94\u5c5e\u6027\u7684\u503c\u3002\u8fd9\u91cc\u662f\u4e00\u4e2aCity\u7c7b\u578b\u7684\u5b9e\u4f8b\u300250            City temp = (City)e.Value;51            tempPostalcode = temp.Postalcode;52            e.Value = temp.Name;53        }5455        private void button1_Click(object sender, EventArgs e)56        {57            \/\/\u5229\u7528\u5b83\u6765\u67e5\u770b\u8f6c\u6362\u7684\u7ed3\u679c\u662f\u5426\u6b63\u786e\u300258            MessageBox.Show(employee.City.Postalcode + ” ” + employee.City.Name);59        }60    }61}     \u4ece\u8868\u73b0\u4e0a\u770b\uff0c\u548c\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u4f46\u5b9e\u9645\u5b9e\u73b0\u7684\u65b9\u5f0f\u662f\u4e0d\u540c\u7684\u3002\u8bf7\u6ce8\u610f\u7b2c21\u884c\u548c\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\u768421\u884c\u662f\u4e0d\u540c\u3002    \u7b2c\u4e00\u4e2a\u4f8b\u5b50    this.textBox3.DataBindings.Add(“Text”, employee, “City.Name”, true);    \u7b2c\u4e8c\u4e2a\u4f8b\u5b50            Binding cityBinding = new 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