protected void submitBtn_Click(object sender, EventArgs e)
     {

        {

          string url = "http://localhost:8080/view/BUILD/job/TESTBUILD/buildWithParameters?token=token123&user=testuser&pass=test&cause=Testmessage";
          HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
          webRequest.Method = "POST";
          HttpWebResponse resp = (HttpWebResponse)webRequest.GetResponse();
          Response.Redirect(http://localhost:8080, "_blank", "fullscreen=1,menubar=yes,toolbar=yes,scrollbars=yes,status=yes,titlebar=yes");

        }
     }