Network C#

using System;
using System.IO;
using System.Runtime.Serialization.Json;
internal static class JSON
{
    public static string Stringify(T source) where T : class
    {
        string ret = null;
        DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
        using (MemoryStream memoryStream = new MemoryStream())
        {
            serializer.WriteObject(memoryStream, source);
            memoryStream.Flush();
            memoryStream.Position = 0;
            using (StreamReader reader = new StreamReader(memoryStream))
            {
                ret = reader.ReadToEnd();
            }
        }
        return ret;
    }
    public static T Parse(string source) where T : class
    {
        T ret = null;
        DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
        using (MemoryStream memoryStream = new MemoryStream())
        {
            using (StreamWriter writer = new StreamWriter(memoryStream))
            {
                writer.Write(source);
                writer.Flush();
                memoryStream.Position = 0;
                ret = serializer.ReadObject(memoryStream) as T;
            }
        }
        return ret;
    }
}