private void DANGNHAP_FormClosed(object sender, FormClosedEventArgs e)
{
Ctrl.disconnect();
}
private void btnthoat_Click(object sender, EventArgs e)
{
Ctrl.disconnect();
Application.Exit();
}
private void NHANVIEN_FormClosed(object sender, FormClosedEventArgs e)
{
DANGNHAP.thaotac += " | ";
//dtblist.Clear();
Ctrl.disconnect();
}