private void btnMatHang_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Form frm = CheckForm(typeof(MatHang));
if (frm != null)
{
frm.Activate();
}
else
{
MatHang fr = new MatHang();
fr.MdiParent = this;
fr.Show();
}
}
private void btnThemMHMoi_Click(object sender, EventArgs e)
{
foreach (Form formCon in this.MdiParent.MdiChildren)
{
if (formCon.Name == "MatHang")
{
formCon.Activate();
return;
}
}
MatHang moMatHang = new MatHang();
moMatHang.MdiParent = this.ParentForm;
moMatHang.Show();
}