csharp: using using System.Web.Script.Serialization read json

using System;using System.Data;using System.Configuration;using System.Collections;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;//先在项目中添加System.Web.Extensions引用.net 3.5using System.Web.Script.Serialization;using System.Collections.Specialized;using System.Collections.Generic;using System.Text;using System.Net;namespace JSONFromCS{    public partial class WebForm3 : System.Web.UI.Page    {        /// <summary>        /// 将json数据反序列化为Dictionary///http://www.weather.com.cn/static/html/legend.shtml 天气图示        /// </summary>        /// <param name="jsonData">json数据</param>        /// <returns></returns>        PRivate Dictionary<string, object> JsonToDictionary(string jsonData)        {            //实例化javaScriptSerializer类的新实例            JavascriptSerializer jss = new JavaScriptSerializer();            try            {                //将指定的 JSON 字符串转换为 Dictionary<string, object> 类型的对象                return jss.Deserialize<Dictionary<string, object>>(jsonData);            }            catch (Exception ex)            {                throw new Exception(ex.Message);            }        }        /// <summary>        ///         /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        protected void Page_Load(object sender, EventArgs e)        {          string  url = "http://www.weather.com.cn/data/cityinfo/101280601.html";            WebClient wc = new WebClient();            wc.Encoding = System.Text.Encoding.UTF8;//定义对象语言            string json = wc.DownloadString(url);            //string json = "{\"weatherinfo\":{\"city\":\"深圳\",\"cityid\":\"101280601\",\"temp\":\"32\",\"WD\":\"西南风\",\"WS\":\"4级\",\"SD\":\"68%\",\"WSE\":\"4\",\"time\":\"16:40\",\"isRadar\":\"1\",\"Radar\":\"JC_RADAR_AZ9755_JB\"}}";            StringBuilder strb = new StringBuilder();            Dictionary<string, object> dic = JsonToDictionary(json);//将Json数据转成dictionary格式            Dictionary<string, object> dataSet = (Dictionary<string, object>)dic["weatherinfo"];            //使用KeyValuePair遍历数据            foreach (KeyValuePair<string, object> item in dataSet)            {                strb.Append(item.Key + ":" + item.Value + "<br/>");//显示到界面                                                             }            Response.Write(strb.ToString());        }    }}