System.Net.WebClient fails weirdly

Question

I am trying to download some data from the reporting services instance on our TFS server.
Given that the code should run on a computer that is not domain-joined, I figured t

Answer 1

Take a look at this link:
HTTP Authorization and .NET WebRequest, WebClient Classes

I had the same problem as you. I have only added one line and it started to work. Try this

private void ThisDoesntWork()
    {
        WebClient wc = new WebClient();
        wc.Credentials = new NetworkCredential("username", "password", "domain");
        //After adding the headers it started to work !
        wc.Headers.Add(HttpRequestHeader.UserAgent, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
        wc.DownloadString("http://teamfoundationserver/reports/........");  //blows up wih HTTP 401
    }