Newtonsoft.Json

  public class Person
    {
        private string name;
        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        private int age;
        public int Age
        {
            get { return age; }
            set { age = value; }
        }
    }

1）序列化
 using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Newtonsoft.Json;
 
namespace JSONnet
{
    public partial class test : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Person person = new Person();
            person.Name = "GoldenEasy";
            person.Age = 25;
            string strSerializeJSON = JsonConvert.SerializeObject(person);
            Response.Write(strSerializeJSON);                     
        }
    }
}
输出结果：
{"Name":"GoldenEasy","Age":25}