private void btnSua_Click(object sender, RoutedEventArgs e)
{
if (Danhsachloai.SelectedItem != null)
{
ThemSuaNgach ts = new ThemSuaNgach(Danhsachloai.SelectedItem as Ngach);
(this.Parent as StackPanel).Children.Add(ts);
}
}
private void btnThem_Click(object sender, RoutedEventArgs e)
{
ThemSuaNgach ts = new ThemSuaNgach();
(this.Parent as StackPanel).Children.Add(ts);
}
