//button mua hàng
private void btnBuy_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Form f = IsActive(typeof(frmBuy));
if (f == null)
{
Form fBuy = new frmBuy();
fBuy.MdiParent = this;
fBuy.Show();
}
else
{
f.Activate();
}
}
private void BtnBuy_ItemClick(object sender, ItemClickEventArgs e)
{
Form f = IsActive(typeof(frmBuy));
VaiTro_ChucNangDTO phanquyenMH = btnMuaHang.Tag as VaiTro_ChucNangDTO;
if (f == null)
{
frmBuy fBuy = new frmBuy(phanquyenMH, username);
fBuy.ThemNhatKyHeThong += ThemNhatKy_Main;
fBuy.MdiParent = this;
fBuy.Show();
}
else
{
f.Activate();
}
}