The remote server returned an error: (405) Method Not Allowed

I am trying to implement a REST WCF service to post a file from a WPF application to my server, however I am getting the 405 error. Before contacting my ISP, can anyone tell me if my code looks ok? I know that most probably its something to do with the server not accepting the Post method, but just wanted to make sure that my code is ok. Here it is :-

    public static void UploadFile()
    {
        string serverPath = "http://www.mywebsites.com/test/";
        string filePath = "C:\\Testing\\asd_asd_Feedback.xml";

        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(serverPath);
        request.Accept = "text/xml";
        request.Method = "PUT";
        request.Credentials = new System.Net.NetworkCredential("testjo", "");

        using (FileStream fileStream = File.OpenRead(filePath))
        using (Stream requestSt开发者_如何学Goream = request.GetRequestStream())
        {
            int bufferSize = 1024;
            byte[] buffer = new byte[bufferSize];
            int byteCount = 0;
            while ((byteCount = fileStream.Read(buffer, 0, bufferSize)) > 0)
            {
                requestStream.Write(buffer, 0, byteCount);
            }
        }

        string result = String.Empty;

        try
        {
            using (WebResponse response = request.GetResponse())
            using (StreamReader reader = new StreamReader(response.GetResponseStream()))
            {
                result = reader.ReadToEnd();
            }
        }
        catch (Exception exc)
        { 
        }

        Console.WriteLine(result);
    }

Basically its failing on the request.GetResponse()

Thanks for your help!