private async Task LoadDataCommand() { IsBusy = true; try { var bills = await TasqR .UsingAsHandler <GetTrackedBillsQrHandler_API>() .RunAsync(new GetTrackBillsQr(AppUser.UserID)); TrackedBills.Clear(); foreach (var item in bills) { TrackedBills.Add(item); } } catch (Exception ex) { LogError(ex); } IsBusy = false; }