private void Hapus_Click(object sender, EventArgs e)
{
var DeletedGrade = table.SelectedItem as Models.izinDosen;
var ConfirmationResult = MessageBox.Show(
"Apakah anda ingin menghapus grade ini?",
"Hapus grade",
MessageBoxButton.YesNo
);
if (ConfirmationResult == MessageBoxResult.Yes)
{
ds.Delete(DeletedGrade);
}
}