private void tbnThem_Click(object sender, EventArgs e)
{
if (btnTV.Enabled == false)
{
this.tbnSua.Enabled = false;
this.tbnXoa.Enabled = false;
this.tbnGiaHan.Enabled = false;
enableInput();
btnTV.Enabled = true;
clearInput();
}
else
{
HopDong temp = new HopDong(txtMaHD.Text, txtTenHD.Text, txtMaNV.Text, dateBD.Value, dateKT.Value);
ConnectDatabase.ThemHopDong(temp);
dgvHienThi.DataSource = ConnectDatabase.getAllHopDong();
clearInput();
}
}
