见笑见笑 JSON不常用 请拍砖 虚心受教

前台<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication2._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 src="jquery-1.3.2.js" type="text/javascript"></script>    <script type="text/javascript" language="javascript">
    $(document).ready(function() {
     $("#btn").click(function() {
     $.getJSON(
     "Handler1.ashx", //产生JSON数据的服务端页面
     function(json) {
     //循环取json中的数据,并呈现在列表中
     $.each(json, function(i) {
     $("#list").append("<li>name：" + json[i].Name + "&nbsp; address：" + json[i].Address + "&nbsp; Pwd：" + json[i].Pwd + "&nbsp; Url：" + json[i].Url + "</li>");
     });
     });
     });
    });
    </script></head>
<body>
    <form id="form1" runat="server">
    <div>
        <h3 title="选择一个分区">
            <span>选择</span></h3>
        <input id="btn" type="button" value="获取数据" />
        <ul id="list">
        </ul>
    </div>
    </form>
</body>
</html>一般处理页面using System;
using System.Collections;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Script.Serialization;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.Data.SqlClient;namespace WebApplication2
{
    /// <summary>
    /// $codebehindclassname$ 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class Handler1 : IHttpHandler
    {        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            SqlConnection sqlConnection = new SqlConnection("server=.;databaset=pubs;uid=sa;pwd=sa");
            DataSet ds = new DataSet();
            string strSql = "select * from dbo.T_UserTable";
            SqlDataAdapter da = new SqlDataAdapter(strSql, sqlConnection);
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            //调用后台方法
            //序列化
            string date = serializer.Serialize(da.Fill(ds, "dbo.T_UserTable"));
            context.Response.Write();
        }        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}