Buongiorno Giacomo (this is as far as my Italian goes)
You can do this by using the VLOOKUP function. If you want to attach
samples of the three files here (not with the whole lists of materials,
just a few records) I can do it for you and explain how it's done.
------------------------------------------------
~~ Message posted from
http://www.ExcelTip.com/
~~View and post usenet messages directly from
http://www.ExcelForum.com/