private void btnThemSP_Click(object sender, EventArgs e)
{
Form frm = ktraform(typeof(FromHangHoa));
if (frm == null)
{
FromHangHoa f = new FromHangHoa();
f.Show();
}
else
{
frm.Activate();
}
}
private void barButtonItem3_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = ktraform(typeof(FromHangHoa));
if (frm == null)
{
FromHangHoa f = new FromHangHoa();
f.MdiParent = this;
f.Show();
}
else
{
frm.Activate();
}
}