//SFServerUrl = "https://na17.salesforce.com/services/";
       //url = "data/v28.0/sobjects/Account";

                ASCIIEncoding ascii = new ASCIIEncoding();
                byte[] postBytes = ascii.GetBytes(postBody);
                HttpWebRequest request = WebRequest.Create(Globals.SFServerUrl + url) as HttpWebRequest;
                request.Method = "POST";
                request.ContentType = "application/json";
                request.ContentLength = postBytes.Length;
                Stream postStream = request.GetRequestStream();
                postStream.Write(postBytes, 0, postBytes.Length);

                HttpCookie cookie = HttpContext.Current.Request.Cookies[Globals.SFCookie];
                var ticket = FormsAuthentication.Decrypt(cookie.Value);
                string authToken = ticket.UserData;
                request.Headers.Add("Authorization", "Bearer " + authToken);
                postStream.Close();

                HttpWebResponse response = request.GetResponse() as HttpWebResponse;
                StringBuilder sb = new StringBuilder();
                byte[] buf = new byte[8192];
                Stream resStream = response.GetResponseStream();
                string tempString = null;
                int count = 0;
                do
                {
                    count = resStream.Read(buf, 0, buf.Length);
                    if (count != 0)
                    {
                        tempString = Encoding.ASCII.GetString(buf, 0, count);
                        sb.Append(tempString);
                    }
                }
                while (count > 0);
                return new Tuple<bool, string>(true, sb.ToString());