public class Person 
  {
    public String FirstName
    { get; set; }

    public String LastName
    { get; set; }

    public int Age
    { get; set; }
  }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json;

namespace JsonDemo
{
  class Program
  {
    static void Main(string[] args)
    {
      string personJson = "{ 'FirstName': '小坦克','LastName':'Tank xiao', 'Age':'30', 'Books':[{'BookName':'c#', 'Price':'29.9'},{'BookName':'Mac编程', 'Price':'39.9'}]}";

      string allMoveJson = @"[{ 'FirstName': '小坦克','LastName':'Tank xiao', 'Age':'30', 'Books':[{'BookName':'c#', 'Price':'29.9'},{'BookName':'Mac编程', 'Price':'39.9'}]},{
               'FirstName': '小坦克2','LastName':'Tank xiao2', 'Age':'40', 'Books':[{'BookName':'c#', 'Price':'29.9'},{'BookName':'Mac编程', 'Price':'39.9'}]}]";

      // 反序列化 单个对象
      Person oneMovie = JsonConvert.DeserializeObject<Person>(personJson);

      // 反序列化 对象集合
      List<Person> allMovie = JsonConvert.DeserializeObject<List<Person>>(allMoveJson);

      Console.WriteLine(oneMovie.FirstName);
      Console.WriteLine(allMovie[1].FirstName);

      // 序列化
      string afterJson = JsonConvert.SerializeObject(allMovie);
    }
  }


  public class Person
  {
    public String FirstName
    { get; set; }

    public String LastName
    { get; set; }

    public int Age
    { get; set; }

    public List<Book> Books
    { get; set; }
  }

  public class Book
  {
    public string BookName
    { get; set; }

    public string Price
    { get; set; }
  }
}

using System;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json;

namespace TestJson
{
  class Program
  {
    static void Main(string[] args)
    {


      string json = "{\"a\":\"sadsad\",\"c\":{\"d\":\"adad\"}}";

      //CCC ccc = new CCC();
      //ccc.d = "adad";

      //AAA aaa = new AAA();
      //aaa.a = "sadsad";
      //aaa.b = "dfgdg";
      //aaa.c = ccc;


      AAA aaa = new AAA();

      aaa= JavaScriptConvert.DeserializeObject<AAA>(json);


      // string json = JavaScriptConvert.SerializeObject(aaa);

      // Console.WriteLine(json);

      Console.Read();

    }
  }

  public class AAA {

    private string m_a;
    public string a
    {
      get { return m_a; }
      set { m_a = value; }
    }

    private string m_b;
    public string b
    {
      get { return m_b; }
      set { m_b = value; }
    }

    private CCC m_c;
    public CCC c
    {
      get { return m_c; }
      set { m_c = value; }
    }
  }
  public class CCC
  {
    private string m_d;
    public string d
    {
      get { return m_d; }
      set { m_d = value; }
    } 
  }

}