private void btSua_HD_Click(object sender, EventArgs e)
{
if (txtMaHD_HD.Text == "" || dtTungay_HD.Value == null || dtDenngay_HD.Value == null || dtNgayky_HD.Value == null || txtDieukhoan_HD.Text == "" || txtMaCN_HD.Text == "")
{
MessageBox.Show("Khong co du lieu");
return;
}
try
{
KyHopDong khd = new KyHopDong(txtMaHD_HD.Text, dtTungay_HD.Value, dtDenngay_HD.Value, dtNgayky_HD.Value, txtDieukhoan_HD.Text, txtMaCN_HD.Text);
cnb.UpdateKyHopDong(khd);
}
catch (Exception p)
{
MessageBox.Show(p.ToString());
}
}