using DevComponents.DotNetBar;

using MyControl;

using Newtonsoft.Json;

using System;

using System.Collections.Generic;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.IO;

using System.Linq;

using System.Text;

using System.Web.Script.Serialization;

using System.Windows.Forms;

namespace InternetDis

{

    public class clsSystem

    {

        public static T JsonStringToCls<T>(string JsonStr)

        {

            StringReader strReader = new StringReader(JsonStr);

            T clsObj = (T)(new JsonSerializer()).Deserialize(new JsonTextReader(strReader), typeof(T));

            return clsObj;

        }

    }

　　public class JsonResult

    {

        public string result { get; set; }

        public string description { get; set; }

    }

}

JsonResult JsonRst = new JsonResult() { result = "-1" };

StreamReader reader = new StreamReader(stream);

string strRst = reader.ReadToEnd();

JsonRst = clsSystem.JsonStringToCls<JsonResult>(strRst);