private void btnThemDaiLy_Click(object sender, EventArgs e)
{
frmDaiLy DaiLy = new frmDaiLy();
DaiLy.ShowDialog();
ctrlKhachHang.HienthiAutoComboBox(cmbKhachHang, true);
}
private void mnuDaiLy_Click(object sender, EventArgs e)
{
if (DaiLy == null || DaiLy.IsDisposed)
{
DaiLy = new frmDaiLy();
DaiLy.MdiParent = this;
DaiLy.Show();
}
else
{
DaiLy.Activate();
}
}