Gives a queryable XDocument without namespace problems

HTTPSOAPRequest.cs

/*
         XDocument result = HttpSOAPRequest(string_to_send, to_this_url);
         var resultatLinq = from c in result.Descendants("something")
                            select c.Element("something_else");

*/

      XDocument HttpSOAPRequest(String xmlfiletosend, string url) {
         XmlDocument doc = new XmlDocument();
         doc.LoadXml(xmlfiletosend);
         HttpWebRequest req = ( HttpWebRequest ) WebRequest.Create(url);

         req.ContentType = "application/soap+xml; charset=utf-8";
         req.Accept = "text/xml";
         req.Method = "POST";
         Stream stm = req.GetRequestStream();
         doc.Save(stm);
         stm.Close();
         WebResponse resp = req.GetResponse();
         stm = resp.GetResponseStream();
         StreamReader r = new StreamReader(stm);

         XDocument doc_result = XDocument.Parse(r.ReadToEnd().Replace("xmlns", "xmlns2").Replace(":", ""));
         return doc_result;
      }