I have a function that I need to return a string. The problem is that it
does not recognize the name in the spreadsheet. The code is in a module as
follows:

Function ListShorts(ColA As String, Row1 As Integer, ColB As String, Row2 As
Integer) As String

' Given a 2 column range, with part numbers on the left and quantity on the
right, create a string that has
' all the part numbers and quantities.

Dim Holder As String

Holder = Worksheets(1).Cells(ColA, Row1).Value & " -" &
Worksheets(1).Cells(ColB, Row1).Value & "pcs"

For i = (Row1 + 1) To Row2
Holder = Holder & " " & Worksheets(1).Cells(ColA, i).Value & " -" &
Worksheets(1).Cells(ColB, i).Value & "pcs"

Next i

ListShorts = Holder

End Function

The cell formula is as follows:

=ListShorts("B",6,"C",22)

Any ideas what I'm doing wrong? Also, if possible, I need the columns to be
able to grow or shrink, say a maximum of 25, and not glitch on null cells.
I'm not sure how to add that into the VBA. TIA