private void btnThemLop_Click(object sender, EventArgs e)
{
var fThem = new fLop(null);
fThem.UpdateEventHandler += fLop_UpdateEventHandler;
fThem.ShowDialog();
}
private void btnSuaLop_Click(object sender, EventArgs e)
{
Lop lop = lopBindingSource.Current as Lop;
if (lop != null)
{
var fSua = new fLop(lop);
fSua.UpdateEventHandler += fLop_UpdateEventHandler;
fSua.ShowDialog();
}
}