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); }