public string SendMessage(string fromUser, string toUser, string message) { JSonResult result = new JSonResult(); result.Status = false; Users obj = new Users(); Guid fromUserId, toUserId; obj.GetUserGuid(toUser, out toUserId); obj.GetUserGuid(fromUser, out fromUserId); Chat chat = new Chat(); result.Status = chat.SendMessage(fromUserId, toUserId, message); JavaScriptSerializer serializer = new JavaScriptSerializer(); string jsonresult = serializer.Serialize(result.Status); return jsonresult; }