public async Task GetOrderInvoice() { var Wait = UserDialogs.Instance.Loading("Wait..", Cancel(), "Cancel", true, MaskType.Black); Wait.Show(); try { JObject result = await _IAllDataServices.GetAllInvoiceOrder(); if (result != null) { string type = result["Type"].ToString(); if (type == "1") { _OrderMaster_Class_List = JsonConvert.DeserializeObject <ObservableCollection <OrderMaster_Class> >(result["Result"].ToString()); if (_OrderMaster_Class_List.Count == 0) { await App.Current.MainPage.DisplayAlert("Oops!", "Order Invoice Not Found", "Ok"); ShowOrderInvoice.IsVisible = false; } else { ShowOrderInvoice.IsVisible = true; OrderMasterClassList.ItemsSource = _OrderMaster_Class_List; MsgResult.IsVisible = false; MsgResul.IsVisible = false; } } else { await App.Current.MainPage.DisplayAlert("Error!", (string)result["ResponseMessage"], "Ok"); } } } catch (Exception ee) { await App.Current.MainPage.DisplayAlert("Error!", ee.Message, "Ok"); } Wait.Dispose(); }