public static string UserLogin(string UserName, string Password) { string Result = ""; string webAddr = "http://protecttw.cloudapp.net/Service1.svc/Login/" + UserName + "/" + Password + "/" + Guid.NewGuid(); HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(webAddr); httpWebRequest.ContentType = "application/json"; httpWebRequest.Method = "GET"; HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse(); Stream resStream = response.GetResponseStream(); DataContractJsonSerializer obj = new DataContractJsonSerializer(typeof(string)); string GetData = obj.ReadObject(resStream) as string; int InsertValue; if (int.TryParse(GetData, out InsertValue) == true) { Result = InsertValue.ToString(); } else { Result = GetData; } return(Result); }