public bool InitializeUser(out string error)
        {
            ArchivedOrdersViewModel.InitializeUser();

            ListOfOrders.Clear();

            IList <Order> activeOrdersList;

            try
            {
                activeOrdersList = WaiterClientModel.GetActiveOrders();
            }
            catch
            {
                error = "Failed with getting orders!";
                return(false);
            }

            foreach (var o in activeOrdersList)
            {
                ListOfOrders.Add(o);
            }

            error = "";
            return(true);
        }