Hi
I think your problem is just that you don't have PO# on each line
You can achieve this quite easily.
Select the range of cells in column A, equivalent to the range of cells in
DN#
F5>Special>Blanks>OK
This will select all the blank cells and your cursor will be in the first of
these.
=up arrow>Control+Enter
All the blanks will now be filled with the PO#
as far as the delivery point DN# is concerned, ignore Order Qty, it is just
the Qty that is relevant