private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            SimpleContainers page = new SimpleContainers();

            myFrame.NavigationService.Navigate(page);
        }
 private void Button_Click_1(object sender, RoutedEventArgs e)
 {
     SimpleContainers page = new SimpleContainers();
     myFrame.NavigationService.Navigate(page);
 }