private void btnThietLapDDH_Click(object sender, EventArgs e) // bat dau lap don dat hang tren kho va tu nha cung cap nao`
{
bool makho = f.CheckNullValueCBox(mAKHOComboBox);
bool tenkho = f.CheckNullValueCBox(tENKHOComboBox);
bool nhacc = f.CheckNullValueCBox(cBoxNhaCC);
if (makho && tenkho && nhacc)
{
tBoxSoluong.Enabled = true;
btnThem.Enabled = true;
cBoxNhaCC.Enabled = false;
mAKHOComboBox.Enabled = false;
tENKHOComboBox.Enabled = false;
btnThietLapDDH.Visible = false;
btnHuy.Visible = true;
gridView3.OptionsBehavior.Editable = true;
DonDH dondh = new DonDH();
maDDH = dondh.getMaDDH();
maDDH.Read();
labelDDH.Text = maDDH["MADDH"].ToString();
maDDH.Close();
}
}