ASP.NET 2.0 绑定例解

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本文介绍了ASP.NET中页面加载的不同实现方式，包括使用代码隐藏文件、前端继承、数据源绑定等方法，并提供了具体的代码示例。

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方法一（2.0）：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SimplePageWithCodeBehind.aspx.cs" Inherits="EssentialAspDotNet.SimplePageWithCodeBehind" Debug="true" %>

public partial class SimplePageWithCodeBehind : Page { string[] _displayItemData = {"Item #1", "Item #2", "Item #3", "Item #4", "Item #5", "Item #6", "Item #7", "Item #8", "Item #9", "Item #10"}; protected override void OnLoad(EventArgs e) { _messageH2.InnerText = "Total number of items = " + _displayItemData.Length.ToString(); _displayList.DataSource = _displayItemData; _displayList.DataBind(); base.OnLoad(e); } }

方法二（1.0）：

<%@ Page Language="C#" AutoEventWireup="true" Src="SimplePageWithCodeBehindV1.aspx.cs" Inherits="EssentialAspDotNet.SimplePageWithCodeBehindV1" %>

public class SimplePageWithCodeBehindV1 : Page { protected BulletedList _displayList; protected HtmlGenericControl _messageH2; string[] _displayItemData = {"Item #1", "Item #2", "Item #3", "Item #4", "Item #5", "Item #6", "Item #7", "Item #8", "Item #9", "Item #10"}; protected override void OnLoad(EventArgs e) { _messageH2.InnerText = "Total number of items = " + _displayItemData.Length.ToString(); _displayList.DataSource = _displayItemData; _displayList.DataBind(); base.OnLoad(e); } }

方法三（前端继承方法）：

<%@ Page Language="C#" Debug="true" Trace="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <mce:script runat="server"></mce:script> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Simple page with controls</title> </head> <body> <form runat="server" id="_form" > <h1>Test ASP.NET 2.0 Page with controls</h1> <asp:BulletedList runat="server" ID="_displayList"> <asp:ListItem>Sample Item 1</asp:ListItem> <asp:ListItem>Sample Item 2</asp:ListItem> <asp:ListItem>Sample Item 3</asp:ListItem> </asp:BulletedList> <h2 runat="server" id="_messageH2">Total number of items = xx</h2> </form> </body> </html>

数据源绑定式：

<mce:script runat="server"></mce:script>

方法四（前端申明）：

<%@ Page Language="C#" Debug="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <mce:script runat="server"></mce:script>

数据绑定式:

<%@ Page Language="C#" Debug="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Simple page with declarative data binding</title> </head> <body> <form runat="server" id="_form"> <h1>Test ASP.NET 2.0 Page with declarative data binding</h1> <asp:BulletedList runat="server" ID="_displayItems" DataSourceID="_itemsDataSource"> <asp:ListItem>Sample item 1</asp:ListItem> <asp:ListItem>Sample item 2 ...</asp:ListItem> </asp:BulletedList> <h2 runat="server" id="_messageH2">Total number of items = xx</h2> <asp:ObjectDataSource runat="server" ID="_itemsDataSource" TypeName="EssentialAspDotNet.Architecture.MyDataSource" SelectMethod="GetItems" /> </form> </body> </html>

自定义数据源：

using System; namespace EssentialAspDotNet.Architecture { public static class MyDataSource { static string[] _items = {"Item #1", "Item #2", "Item #3", "Item #4", "Item #5", "Item #6", "Item #7", "Item #8", "Item #9", "Item #10"}; public static string[] GetItems() { return _items; } } }