Formula to return a unique identifier to a row of data based on 2 columns?

krups

New Member
Joined
Dec 7, 2009
Messages
1
I am trying to find a formula to return a unique identifier to a row of data based on 2 columns. I found this one below but it uses 1 colunn only:

=IF(ISNA(MATCH(B7,B6:$B$6,0)),MAX(C6:$C$6)+1,VLOOKUP(B7,B6:$C$6,2,FALSE))


Last

Name
Smith Bob
Smith Mark
Smith Bob
Gil Tom
Thomas Bob
Furst Andrew
Smyth Markus
Reynold Tom


This formula returns a unique identifier to a row of data based on 1 column.
I am trying to find a very similar formula except using 2 columns of data, e.g.:

Invoice Number Vendor

I want add a unique identifier where the Invoice number is the same however the Vendor is different and if both are the same then use the same identifier.

Please help

Thank You
 

Excel Facts

Workdays for a market open Mon, Wed, Friday?
Yes! Use "0101011" for the weekend argument in NETWORKDAYS.INTL or WORKDAY.INTL. The 7 digits start on Monday. 1 means it is a weekend.

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