asp.net解析json例子

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Script.Serialization;    //导入解析Json的类


public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string JSON = "{'info':[{'title':'list1','url':'/upload/209/20120814163339890.png'},{'title':'离职申请表','url':'/upload/209/20120814163339968.xls'},{'title':'申请表','url':'/upload/209/20120814163340046.doc'},{'title':'室内','url':'/upload/209/20120814163340156.jpg'},{'title':'心电图','url':'/upload/209/20120814163340218.gif'},{'title':'新建 文本文档','url':'/upload/209/20120814163340281.txt'}]}";
        JavaScriptSerializer serializer = new JavaScriptSerializer();
        Dictionary<string, object> json = (Dictionary<string, object>)serializer.DeserializeObject(JSON);
        object[] info = (object[])json["info"];
        Dictionary<string, object> val;
        Dictionary<int, string> Objs = null;
        Dictionary<int, string> fileOldName = null;
        for (int i = 0; i < info.Length; i++)
        {

            val = (Dictionary<string, object>)info[i];

            foreach (KeyValuePair<string, object> str in val)
            {
                //保存信息到 session
                if (Session["bigfile_info"] == null)
                {
                    Objs = new Dictionary<int, string>();
                    Session["bigfile_info"] = Objs;
                }

                if (Session["file_name"] == null)
                {
                    fileOldName = new Dictionary<int, string>();
                    Session["file_name"] = fileOldName;
                }

                if (str.Key.Equals("title"))
                {
                    fileOldName[i + 1] = str.Value.ToString();
                }

                if (str.Key.Equals("url"))
                {
                    Objs[i + 1] = str.Value.ToString();
                }
            }

        }
        Session["bigfile_info"] = Objs;
        Session["file_name"] = fileOldName;

        if (Session["file_name"] != null)
        {
            Objs = (Dictionary<int, string>)Session["file_name"];
            foreach (int i in Objs.Keys)
            {
                lblJson.Text += Objs[i];
            }
        }

    }
}