i have three cheets of excell.the first one is acting as a database.the
second cheet includs some data and it revises the information from the
database.the third cheet is a copy from the database.

the problem is when i give the order in the third cheet to revise the data
from the second cheet with the order(IF),it dosn't work. i tried with the
order (vlookup) it works with some cells and others no.

i need help plz