为什么会弹出Windows unknown error对话框
哪位大侠帮我看看下面这个问题:
前台:
<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "Test.aspx.cs " Inherits= "Test " %>
<!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> Untitled Page </title>
</head>
<body>
<form id= "form1 " runat= "server ">
<div>
<atlas:ScriptManager ID= "ScriptManager1 " runat= "server " EnablePartialRendering= "True ">
</atlas:ScriptManager>
</div>
<atlas:UpdatePanel ID= "UpdatePanel1 " runat= "server ">
<ContentTemplate>
<asp:TextBox ID= "TextBox1 " runat= "server "> </asp:TextBox> <br />
<br />
<asp:Button ID= "Button1 " runat= "server " OnClick= "Button1_Click " Text= "Button " />
</ContentTemplate>
</atlas:UpdatePanel>
</form>
</body>
</html>
后台:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Test : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
}
}
protected void Button1_Click(object sender, EventArgs e)
{
TextBox1.Text = "Testing ";