我做了一个ASP。NET的页面网里面放了一个DataGrid的控件,然后通过数据棒定把数据库里面的数据显示在DataGrid上面，我又在DataGrid上面添加了一个ButtonColumn的控件列，然后在在页面上添加了一个Label控件，想通过ButtonColumn控件列的ItemCommand事件改变Label控件的Text属性,但是怎么也是不改边，不知道怎么了，下面是代码请各位帮我看看~!
webform1.aspx（下面是文件的代码）
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<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="WebApplication3.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<asp:DataGrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 192px; POSITION: absolute; TOP: 168px"
runat="server" Width="464px" Height="91px">
<Columns>
<asp:ButtonColumn ButtonType="PushButton" Text="button" HeaderText="edit"></asp:ButtonColumn>
</Columns>
</asp:DataGrid>
<asp:Label id="Label1" style="Z-INDEX: 102; LEFT: 200px; POSITION: absolute; TOP: 336px" runat="server"
Width="448px" Height="32px">Label</asp:Label></FONT>
</form>
</body>
</HTML>
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webform1.aspx.cs(下面是文件的代码)
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
namespace WebApplication3
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
string myConnectionString=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Inetpub\wwwroot\WebApplication3\db1.mdb";
string myCommandText="select * from info";
OleDbConnection myConnection=new OleDbConnection(myConnectionString);
OleDbCommand myCommand=new OleDbCommand(myCommandText,myConnection);
myConnection.Open();
OleDbDataReader myDataReader=myCommand.ExecuteReader();
DataGrid1.DataSource=myDataReader;
DataGrid1.DataBind();
myConnection.Close();
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
Label1.Text="gogogog";
}
}
}
