C#中DataTable转化JSON

     [WebMethod(Description = "将一个DataTable对象转化成JSON")]
     public string GetJSON()
     {
         JavaScriptSerializer jss = new JavaScriptSerializer();
         DataTable table = new DataTable("wangzhen");
         table.Columns.Add("Name");
         table.Columns.Add("Sex");

         table.Rows.Add(new object[] { "张三", "male" });
         table.Rows.Add(new object[] { "李四", "male" });
         table.Rows.Add(new object[] { "王五", "male" });

         List<Person> list = new List<Person>();
         Person person = null;
         for (int i = ; i < table.Rows.Count; i++)
         {
             person = new Person();
             person.Name = table.Rows[i]["Name"].ToString();
             person.Sex = table.Rows[i]["Sex"].ToString();
             list.Add(person);
         }
         return jss.Serialize(list);
     }