serialize Json with C#

#region Jsonhelper

using System.IO;

using System.Text;

using System.Runtime.Serialization.Json;





public class JsonHelper

{

    /// <summary>

    /// JSON序列化

    /// </summary>

    public static string JsonSerializer<T>(T t)

    {

        DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));

        MemoryStream ms = new MemoryStream();

        ser.WriteObject(ms, t);

        string jsonString = Encoding.UTF8.GetString(ms.ToArray());

        ms.Close();

        return jsonString;

    }



    /// <summary>

    /// JSON反序列化

    /// </summary>

    public static T JsonDeserialize<T>(string jsonString)

    {

        DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));

        MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));

        T obj = (T)ser.ReadObject(ms);

        return obj;

    }

}

#endregion









public partial class trade_in_manage_flist : System.Web.UI.Page

{

    public class Person

    {

        public string Name { get; set; }

        public int Age { get; set; }

    }



    protected void Page_Load(object sender, EventArgs e)

    {

        Person[] pArr = new Person[] { 

            new Person() { Age = 5, Name = "zy" } ,

            new Person() { Age = 6, Name = "zk" } ,

            new Person() { Age = 7, Name = "zx" } ,

            new Person() { Age = 8, Name = "zz" } ,        

        };



             



        string jsonString = JsonHelper.JsonSerializer<Person[]>(pArr);

        Response.Write(jsonString);



    }

}

The result string is : 

[{"Age":5,"Name":"zy"},{"Age":6,"Name":"zk"},{"Age":7,"Name":"zx"},{"Age":8,"Name":"zz"}]