内容页：
<%@ Page Title="" Language="C#" MasterPageFile="~/Site1.Master" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="ScriptManagerProxyDemo.WebForm1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<script type="text/javascript">
function EchoUserInput() {
var echoElem = $get("EnteredValue");
alert(echoElem);
ScriptManagerProxyDemo.WebService1.EchoInput(echoElem.value, OnSucceeded);
}
function OnSucceeded(result)
{
var RsltElem = $get("Results");
RsltElem.innerHTML=result;
}
</script>
<asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server">
<Services>
<asp:ServiceReference Path="~/WebService1.asmx" />
</Services>
</asp:ScriptManagerProxy>
<input type="text" id="EnteredValue" /><input type="button" onclick="EchoUserInput()"/>
<div id="Results"></div>
</asp:Content>
webservice：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
namespace ScriptManagerProxyDemo
{
/// <summary>
/// WebService1 的摘要说明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile
