Esempio n. 1
0
        private void btnBack_Click(object sender, RoutedEventArgs e)
        {
            navService = NavigationService.GetNavigationService(this);
            showOption pg = new showOption(connectionString);

            if (_addTaiLieu != null)
            {
                _addTaiLieu.get_dsTacGia();
                navService.Navigate(_addTaiLieu);
            }
            else
            {
                navService.Navigate(pg);
            }
            //_ = _addTaiLieu != null ? navService.Navigate(tg) : navService.Navigate(pg);
        }