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i have 4 items in my database, carring id 1,2,3,4
then i display the items description on the pages and each of them carry a button at the end of the description..
e.g.
Name : T-shirt
Price : 300 USD | Add | <— this is the button
Name : Pant
Price : 400 USD | Add | <— this is the button
how do i know the add button is carrying which item id?