asp.net2.0中实现无刷新界面的功能

WEB代码如下,主要实现了ICallbackEventHandler接口。比较简单,不多说了。自己看代码

using System;
using System.Data;
using System.Configuration;
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 _Default : System.Web.UI.Page ,ICallbackEventHandler
{
string s = "";
protected void Page_Load(object sender, EventArgs e)
{

}

#region ICallbackEventHandler 成员

public string GetCallbackResult()
{
return "服务器的值"+s;
}

public void RaiseCallbackEvent(string eventArgument)
{
s = eventArgument;
}

#endregion
}

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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>
<script type="text/javascript">
//由button调用
function CallServerFunction(inputcontrol, context)
{
context.innerHTML = "Loading";
arg = inputcontrol.value;
//注册回调方法
<%= ClientScript.GetCallbackEventReference(this, "arg", "ServerCallBack", "context")%>;
}
//在回调方法中注册的接收返回结果的函数
function ServerCallBack(result, context)
{
context.innerHTML = result;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<input id="Button1" type="button" value="提交到服务器" onclick="CallServerFunction(TextBox1, Label1)"/><br/>
<asp:Label ID="Label1" runat="server" Text="Label1:"></asp:Label>

</div>
</form>
</body>
</html>

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