using System;

using System.Net;

using System.Text;

using System.IO;

​

public class Program

{

    public static void Main()

    {

        HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create("http://requestmaker.com");

        string payload = "<?xml version=\"1.0\" encoding=\"utf-8\"?><webpage pageID=\"406\" cmdID=\"GET\" cursor=\"0\"/>";

        byte[] data = Encoding.GetEncoding("iso-8859-1").GetBytes(payload);

        myHttpWebRequest.ContentLength = data.Length;

        myHttpWebRequest.KeepAlive = false;

        CookieContainer cookieJar = new CookieContainer();

        myHttpWebRequest.ProtocolVersion = HttpVersion.Version11;

        myHttpWebRequest.CookieContainer = cookieJar;

        myHttpWebRequest.Accept = "*/*";

        myHttpWebRequest.AllowAutoRedirect = true;

        myHttpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2;)";

        myHttpWebRequest.Timeout = 100000;

        myHttpWebRequest.Accept = "text/xml; charset=utf-8";

        myHttpWebRequest.Method = "POST";

        myHttpWebRequest.ServicePoint.Expect100Continue = false;

        myHttpWebRequest.ServicePoint.MaxIdleTime = 100000;

        myHttpWebRequest.KeepAlive = false;

        myHttpWebRequest.ContentType = "text/xml; charset=utf-8";

        Stream requestStream = myHttpWebRequest.GetRequestStream();

        requestStream.Write(data, 0, data.Length);

        requestStream.Close();

        myHttpWebRequest.AllowWriteStreamBuffering = true;

        //Error on the GetResponse

        HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();

        Stream responseStream = myHttpWebResponse.GetResponseStream();

        StreamReader myStreamReader = new StreamReader(responseStream, Encoding.Default);

        var pageContent = myStreamReader.ReadToEnd();

        Console.WriteLine(pageContent);

        myStreamReader.Close();

        responseStream.Close();

        myHttpWebResponse.Close();

    }

}