jQueryAjaxJson取值示例
   
   
        $(function () {
            jsonAjax("AjaxQuery.aspx", "type=json", "json", callBack);
            jsonAjax("AjaxQuery.aspx", "id=1&name=2&type=text", "text", callBackTxt);
        });

        function callBack(data) {
            $("#ddd").html('');
            var json = eval(data); //数组 
            $.each(json, function (index, item) {
                //循环获取数据
                var name = json[index].Name;
                var age = json[index].Age;
                var sex = json[index].Sex;
                $("#ddd").html($("#ddd").html() + "
" + name + "  " + age + "  " + sex + "
");
            });
        };
        function callBackTxt(data) {
            $("#ccc").html(data);
        };

        /**
        * ajax post提交
        * @param url
        * @param param
        * @param datat 为html,json,text
        * @param callback回调函数
        * @return
        */
        function jsonAjax(url, param, datat, callback) {
            $.ajax({
                type: "post",
                url: url,
                data: param,
                dataType: datat,
                success: callback,
                error: function () {
                    jQuery.fn.mBox({
                        message: '恢复失败'
                    });
                }
            });
        }

   


   
   

using System;
//新增
using System.Web.Script.Serialization;
using System.Collections.Generic;

public partial class AjaxQuery : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //数据模拟,仅供参考
            string messgage = string.Empty;
            string id = Request["id"];
            string name = Request["name"];
            string gettype = Request["type"];
            if (gettype=="text")
            {
                messgage = (id == "1" && name == "2") ? "ok符合条件" : "sorry不符合条件";
            }
            else if (gettype == "json")
            {
                List list = new List();
                for (int i = 0; i < 50; i++)
                {
                    Student a = new Student();
                    a.Name = "张三" + i;
                    a.Age = i;
                    a.Sex = "男";
                    list.Add(a);
                }
                messgage = new JavaScriptSerializer().Serialize(list);
            }
            else
            { }
            Response.Write(messgage);
            Response.End();
        }
    }
    public struct Student
    {
        public string Name;
        public int Age;
        public string Sex;
    }
}