$.ajax({　　type:"post",  //请求方式　　url:"../../ZCGL/ZCGL_Handler.ashx", 　　data: {‘type‘:‘ZCGL_NGD_ISCZ‘,‘_str‘:_str},     //参数　　async: false,　　contentType:"application/x-www-form-urlencoded;charset=UTF-8",　　//dataType:"json",  　　

　　success: function (data) {　　if(data != "False")　　　　{　　 　　　　alert("成功！");　　　　} else {　　　　　　alert("失败！");　　　　};　　} });

 string type=context.Request["type"].ToString();

    <script src=http://www.mamicode.com/"jquery-1.8.3.js" type="text/javascript"></script>    <script src=http://www.mamicode.com/"json2.js" type="text/javascript"></script>

<script type="text/javascript">          var user = {            name: "张三",            age: 25,            weight: 135        };        $(function () {            $.ajax({                url: "AJAX.aspx",                type: "post",                data: JSON.stringify(user),//序列化                headers: { Accept: "application/json", "Content-Type": "application/json" },                dataType: "json",                processData: false,                success: function (data, textStatus, jqXHR) {                }            });        });     </script>

using Newtonsoft.Json;using System.Web.Services;using Newtonsoft.Json.Linq;

StreamReader sr = new StreamReader(Request.InputStream);            string userStr = sr.ReadToEnd();            JObject jo = (JObject)JsonConvert.DeserializeObject(userStr);            JArray jarry = JArray.Parse(jo["User"].ToString());

//var modleList = JsonConvert.DeserializeObject<List<SupplierDetail>>(modle);