C# JSon 데이터를 솔리드 클래스로, 솔리드 클래스를 Json으로 변환

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.IO;
using System.Text;
using System.Runtime.Serialization.Json;
using System.Collections.Generic;
using System.Reflection;
using System.Web.Script.Serialization;

namespace AjaxTest
{
    public partial class Json : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            //Response.Write(getJsonInfo());
            //string strReg = "\\\\";
            //strReg = strReg.Replace("\\\\", "\\");
            ////Response.Write(strReg);
            //   
            Response.Write(disJsonInfo(getObjectByJson(getJsonInfo())));      //   
            Response.Write(JsonInfo.getInfo());

        }

        /// 

        ///          json  （               ）
        /// 
        /// 
        public string getJsonInfo()
        {
            UserInfo userInfo = new UserInfo();
            //userInfo.strNameInfo = "  ";
            //userInfo.intAgeInfo = 23;
            //userInfo.intTelInfo = 66666;
            //userInfo.strAddrInfo = "   ";
            //userInfo.strPasswordInfo = "yhx.123";
            userInfo.strName = "  ";
            userInfo.intAge = 23;
            userInfo.strPsd = "yhx.123";
            userInfo.intTel = 2324;
            userInfo.strAddr = "   ";
            //      json
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(UserInfo));
            //         
            System.IO.MemoryStream ms = new MemoryStream();
            // json         
            serializer.WriteObject(ms, userInfo);
            System.IO.StreamReader reader = new StreamReader(ms);
            ms.Position = 0;
            string strRes = reader.ReadToEnd();
            reader.Close();
            ms.Close();
            return strRes;
        }

        /// 

        ///  json           
        /// 
        /// 
        private static List getObjectByJson(string jsonString)
        {
            //    DataContractJsonSerializer  ，           
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(List));
            // Json        
            jsonString = "[" + jsonString + "]";
            MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
            //   ReadObject         
            object ob = serializer.ReadObject(stream);
            List ls = (List)ob;
            return ls;
        }

        /// 

        ///               
        /// 
        private string  disJsonInfo(List us)
        {
            string strItem = "";
            foreach(var item in us )
            {
                strItem += item.strName + ":" + item.strPsd + ":" + item.intAge + ":" + item.intTel + ":" + item.strAddr + "
";
            }
            return strItem;
        }
    }




    /// 

    ///      
    /// 
    public class UserInfo
    {
        //   
        public string strName { get; set; }
        //  
        public int intAge { get; set; }
        //  
        public string strPsd { get; set; }
        //     
        public int intTel { get; set; }
        //  
        public string strAddr { get; set; }
        ////         
        //public UserInfo()
        //{
        //    strName = "";
        //    intAge = 0;
        //    strPsd = "";
        //    intTel = 0;
        //    strAddr = "";
        //}

        ///// 

        /////    
        ///// 
        //public string strNameInfo
        //{
        //    set { strName = value; }
        //    get { return strName; }
        //}

        ///// 

        /////   
        ///// 
        //public int intAgeInfo
        //{
        //    set { intAge = value; }
        //    get { return intAge; }
        //}

        ///// 

        /////   
        ///// 
        //public string strPasswordInfo
        //{
        //    set { strPsd = value; }
        //    get { return strPsd; }
        //}

        ///// 

        /////     
        ///// 
        //public int intTelInfo
        //{
        //    set { intTel = value; }
        //    get { return intTel; }
        //}

        ///// 

        /////   
        ///// 
        //public string strAddrInfo
        //{
        //    set { strAddr = value; }
        //    get { return strAddr; }
        //}
    }


    /// 

    ///  json        （   ）
    /// 
    public static class JsonInfo
    {
        /// 

        ///          json  （               ）
        /// 
        /// 
        public static string getJsonInfo()
        {
            UserInfo userInfo = new UserInfo();
            userInfo.strName = "  ";
            userInfo.intAge = 23;
            userInfo.strPsd = "yhx.123";
            userInfo.intTel = 2324;
            userInfo.strAddr = "   ";
            //      json
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(UserInfo));
            //         
            System.IO.MemoryStream ms = new MemoryStream();
            // json         
            serializer.WriteObject(ms, userInfo);
            System.IO.StreamReader reader = new StreamReader(ms);
            ms.Position = 0;
            string strRes = reader.ReadToEnd();
            reader.Close();
            ms.Close();
            return strRes;
        }

        /// 

        /// 
        /// 
        /// 
        public static string getInfo()
        {
            string JsonStr = "["+getJsonInfo()+"]";
            List products;

            products = JsonInfo.JSONStringToList(JsonStr);

            string strItem = "";
            foreach (var item in products)
            {
                strItem += item.strName + ":" + item.strPsd + ":" + item.intAge + ":" + item.intTel + ":" + item.strAddr + "
";
            }
            return strItem;
        }


        /// 

        ///   List    
        /// 
        /// 
        /// 
        /// 
        public static List JSONStringToList(this string JsonStr)
        {

            JavaScriptSerializer Serializer = new JavaScriptSerializer();

            List objs = Serializer.Deserialize>(JsonStr);
            return objs;

        }


        /// 

        /// 
        /// 
        /// 
        /// 
        /// 
        public static T Deserialize(string json)
        {

            T obj = Activator.CreateInstance();

            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))
            {

                DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

                return (T)serializer.ReadObject(ms);

            }

        }
    }
}