Asp.Net Repeater中使用Button控件并响应单击操作的方法

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HTML code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %><!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 runat="server">    <title>无标题页</title></head><body>    <form id="form1" runat="server">  <asp:Repeater runat="server" iD="rptTest">  <itemtemplate>  <div>   <asp:TextBox id="txt" text='<%# Container.DataItem.ToString() %>' runat="server" />   <asp:Button id="btn" text="提交" onclick="TestBtn" runat="server"  />    </div>  </itemtemplate>  </asp:Repeater>    </form></body></html>

C# code

    protected void Page_Load(object sender, EventArgs e)    {        if (!this.IsPostBack)        {            string[] s = new string[] { "1", "2", "3", "4", "5" };            this.rptTest.DataSource = s;            this.rptTest.DataBind();        }    }    protected void TestBtn(object sender, EventArgs e)    {        Button bt = sender as Button;        RepeaterItem ri = bt.Parent as RepeaterItem;        TextBox tx = ri.FindControl("txt") as TextBox;        if (!object.Equals(tx, null))        {            Response.Write(tx.Text);        }            }