Json字符串和對象相互轉換

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using System.Web.Script.Serialization;

        public void Test()
        {
            string jsonArray = "[{ID:'01',Name:'xx1'},{ID:'02',Name:'xx2'},{ID:'03',Name:'xx3'},{ID:'04',Name:'xx4'}]";
            JavaScriptSerializer json = new JavaScriptSerializer();
            //Json字符串轉成對象
            List<User> list = json.Deserialize<List<User>>(jsonArray);
            //對象轉成Json字符串
            string strJson = json.Serialize(list);
            //Json字符串轉成對象
            List<User> list2 = json.Deserialize<List<User>>(strJson);
        }
        [Serializable]
        public class User
        {
            public int ID { get; set; }
            public string Name { get; set; }
            public string Sex { get; set; }
        }