gistfile1.cs

using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;


namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            JavaScriptSerializer ser = new JavaScriptSerializer();

            Test t = new Test();
            t.content = System.IO.File.ReadAllbytes("c:\\test.bin");


            string s = ser.Serialize(t);

        }
    }


    class Test
    {
        public byte[] content;
        public int valueint = 6546735;
        public string valuestr = "test string";
    }
}


{"content":[1,1,2,3,4,5,5,5,5,5,7,7,119,119,119,119,119,116,83,120,115,101,50,86,53,101,54,83,83,68,82,55,54,131,102,53,37,99,69,52,37,35,69,50,70,50,84,54,36,50,101,67,38,84,50,99,37,67,101,50,67,38,66,54,50],"valueint":6546735,"valuestr":"test string"}