private void billsButton_Click(object sender, RoutedEventArgs e) { appDataGrid.Visibility = Visibility.Visible; addBill.Visibility = Visibility.Visible; welcomeLabel.Visibility = Visibility.Hidden; addInfoButton.Visibility = Visibility.Hidden; billsList = billsService.GetBillsForUser(Settings.Default.Username).ToList(); appDataGrid.ItemsSource = billsList; }