Upload to server

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net; // butinas

namespace uploadImagesC
{
    class Program
    {


        static void Main(string[] args)
        {
            WebClient client = new WebClient();
            string fileName = @"D:\Downloads\spektras.m";
            ///
            client.Headers.Add("Content-Type","binary/octet-stream");
            byte[] result = client.UploadFile("http://url/upload.php", "POST", fileName);
            String s = System.Text.Encoding.UTF8.GetString(result, 0, result.Length);
            Console.WriteLine(s);
        }
    }
}