list数组转为json
类文件为student有姓名，课程，成绩，学号，班级，年级六个字段，一个班级的学生的成绩用list<student>组成，先在想用C#实现把list数组转为json的方法，json格式为
{"学年":"1年级",
"班级":"一班",
"score":[{"姓名":"小王",
"学号":1,
"物理":66,
"化学":100,
"生物":100},
{"姓名":"小明",
"学号":2,
"物理":67,
"化学":90,
"生物":87}]}

不知道怎么转，请大神帮帮忙
[解决办法]
http://stackoverflow.com/questions/3482261/how-to-convert-c-sharp-generic-list-to-json-using-json-net
[解决办法]
要达到楼主的效果 可能这样设计会更好一些 个人意见 仅供参考

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json; //用到的插件 详情百度之 大把的 我就不赘述了

namespace ConsoleApplication2
{
    class Program
    {
        
        public class Info
        {
            public Info()
            {
                Students = new List<Student>(); //初始化学生集合 否则会报NullReferences错
            }
            public string Grade { get; set; }
            public string Class { get; set; }
            public List<Student> Students { get; set; }
        }

        //学生类
        public class Student
        {
            public string Name { get; set; }   //姓名
            public int Number { get; set; }    //学号
            public int Physics { get; set; }   //物理
            public int Chemistry { get; set; } //化学
            public int Biology { get; set; }   //生物
        }

        static void Main(string[] args)
        {
            Info info = new Info();
            info.Grade = "1年级"; 
 
            info.Class = "一班";

            Student stuA = new Student();
            stuA.Name = "小王";
            stuA.Number = 1;
            stuA.Physics = 66;
            stuA.Chemistry = 100;
            stuA.Biology = 100;

            Student stuB = new Student();
            stuB.Name = "小明";
            stuB.Number = 2;
            stuB.Physics = 67;
            stuB.Chemistry = 90;
            stuB.Biology = 87;

            info.Students.Add(stuA);
            info.Students.Add(stuB);

            string result = JsonConvert.SerializeObject(info);  //序列化对象
            Console.WriteLine(result);
            Console.ReadKey();

            /*运行结果
             {"Grade":"1年级",
             "Class":"一班",
             "Students":[{"Name":"小王","Number":1,"Physics":66,"Chemistry":100,"Biology":100},
             {"Name":"小明","Number":2,"Physics":67,"Chemistry":90,"Biology":87}]}
             */

        }
    }
}