代码文件:
using System;
usando System.Collections;
usando System.ComponentModel;
usando System.Data;
usando System.Drawing;
usando System.Web;
usando System.Web.SessionState;
usando System.Web.UI;
usando System.Web.UI.WebControls;
usando System.Web.UI.HtmlControls;
usando System.Threading;
namespace AjaxTest
{
/**//// <resumo>
/// WebForm2 的摘要说明。
/// </sumário>
classe pública WebForm2: System.Web.UI.Page
{
System.Web.UI.WebControls.Button protegido Button1;
System.Web.UI.WebControls.Label Label1 protegido;
private void Page_Load (remetente do objeto, System.EventArgs e)
{
Response.Write("<div id='meudiv' >");
Response.Write("_");
Response.Write("</div>");
Response.Write("<script>mydiv.innerText = '';</script>");
Response.Write("<linguagem de script=javascript>;");
Response.Write("var pontos = 0;var dotmax = 10;função ShowWait()");
Response.Write("{var saída; saída = '正在装载页面';dots++;if(dots>=dotmax)dots=1;");
Response.Write("for(var x = 0;x < pontos;x++){saída += '·';}mydiv.innerText = saída;}");
Response.Write("função StartShowWait(){mydiv.style.visibility = 'visível'; ");
Response.Write("window.setInterval('ShowWait()',1000);}");
Response.Write("função HideWait(){mydiv.style.visibility = 'oculto';");
Response.Write("window.clearInterval();}");
Response.Write("StartShowWait();</script>");
Response.Flush();//这一句是最关键的
}
private void Button1_Click(objeto remetente, System.EventArgs e)
{
//当点击按钮时，假设请求需要较长时间(这里设置为10秒)
System.Threading.Thread.Sleep(10000);
this.Label1.Text = "终于加载完成啦";
}
Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
substituir void protegido OnInit (EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/**//// <resumo>
/// 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。
/// </sumário>
privado vazio InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
页面文件:
<%@ Page language="c#" Codebehind="WebForm2.aspx.cs" AutoEventWireup="false" Inherits="AjaxTest.WebForm2" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<CABEÇA>
<title>WebForm2</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 ">
<roteiro>
HideWait();
</script>
</HEAD>
<corpo MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="servidor">
<FONT face="宋体">
<asp:Button id="Button1" style="Z-INDEX: 101; ESQUERDA: 480px; POSIÇÃO: absoluta; SUPERIOR: 200px" runat="servidor"
Text="Botão"></asp:Botão>
<asp:Label id="Label1" style="Z-INDEX: 102; LEFT: 632px; POSITION: absoluto; TOP: 240px" runat="server">Rótulo</asp:Label></FONT>
</form>
</body>
</HTML>
http://fanrsh.cnblogs.com/archive/2006/06/14/425888.html