Automatic update of Inventory using barcode input...

so i got it working acording to what i asked...or so i think


not all the product upc codes work...only many of them....

why do you think not all of them work?

i havent a clue

Hey guys I'm not much of an excel user so I'm having a bit of trouble with using these pre-made excel sheets, every time I scan I get a pop up message saying "CODE NOT FOUND" can you please help me out with this? Thanks