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); }