private void btnThem_Click(object sender, EventArgs e)
{
frmThemSuaNCC frm = new frmThemSuaNCC();
frm.themnhacungcap += HamTHemNCC;
frm.ShowDialog();
}
private void btnSua_Click(object sender, EventArgs e)
{
MaNCC = dgvNhaCungCap.SelectedRows[0].Cells["colMaNCC"].Value.ToString();
frmThemSuaNCC frm = new frmThemSuaNCC(MaNCC);
frm.suanhacungcap += HamSuaNCC;
frm.ShowDialog();
}