private async void InitializePage()
        {
            _dialogService.ShowLoading("Loading...");
            var pricings = await customerDataService.MyRecentTransactions(_settingsService.UserNameSetting);

            if (pricings != null)
            {
                Sales = pricings.ToObservableCollection();
                listViewCtrl.ItemsSource = Sales;
                _dialogService.HideLoading();
            }
            else
            {
                _dialogService.HideLoading();
                await _dialogService.ShowDialog("Not found", "Customer information does not exist.", "Ok");
            }
        }