One way:

=IF(A1="","",VLOOKUP(A1,..............))

--
Biff
Microsoft Excel MVP


"JC" wrote in message
...
In Column A i've got a drop down box of Customer Names and in column B i
have
a vlookup to give me the sales rep who calls on those customers in column
A.
When column A is not filled out, column B shows #N/A. Is there a way to
tell Excel to leave the cell blank until Column A is filled out?