private void btnSua_Click(object sender, EventArgs e)
{
frmHangHoa_ADD fm = new frmHangHoa_ADD(mahang, tenhang, tennhacungcap, tennhomhang, donvitinh, giaban, ngaycapnhat);
fm.FormClosed += Fm_FormClosed;
fm.ShowDialog();
}
private void btnThem_Click(object sender, EventArgs e)
{
frmHangHoa_ADD fm = new frmHangHoa_ADD();
fm.FormClosed += Fm_FormClosed;
fm.ShowDialog();
}
