Pat, I’m feeling stupid now, I don’t know where to use it.
In my table I added a new column called “WOSeqNum”, on my form I made a text box with the same name. In the box control source I used
“= Nz(DMax("WOSeqNum", " TblPO_numbers ", "Type = '" & Me. Type & "'"), 0) + 1”
And I get and...