Need Help!Code:If strCustomerOrder = "A1#" Then decSubtotal = ANTACID_ONE mintQuantity += 1 ShoppingCartForm.lstShoppingCart.Items.Add((" A1" & vbTab & vbTab & "Alka-Seltzer Antacid" _ & vbTab & vbTab & mintQuantity & vbTab _ & " $" & ANTACID_ONE).ToString()) BuyItemSoundEffect() lblKeypadScreen.Text = String.EmptyI want my listbox to not display duplicate items. I just want it to update the quantity(Qty.) I need help figuring this out. Any suggestions?


I want my listbox to not display duplicate items. I just want it to update the quantity(Qty.) I need help figuring this out. Any suggestions?
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