private void btnThemDVT_Click(object sender, EventArgs e)
{
frmDonViTinh DVT = new frmDonViTinh();
DVT.ShowDialog();
ctrlDVT.HienthiAutoComboBox(cmbDVT);
}
private void mnuDonViTinh_Click(object sender, EventArgs e)
{
if (DonViTinh == null || DonViTinh.IsDisposed)
{
DonViTinh = new frmDonViTinh();
DonViTinh.MdiParent = this;
DonViTinh.Show();
}
else
{
DonViTinh.Activate();
}
}