Avoid duplicate entries in a table
We use a table to enter all of our A/P invoices. Is there a way to avoid entering an invoice twice by searching the cells above for the duplicate number for that vendor? The vendor's name is entered in one column, the invoice # is entered in a different
Thanks for any help!
Solutions to the Problem Avoid duplicate entries in a table
You will need a macro to prevent any duplicates from being entered into your invoice table.
Assuming that invoice numbers are unique, i.e.
different vendors do not use the same numbers, try this macro:
Right click on the worksheet tab and select "View Code".
Enter the below macro in the top right window.
Private Sub Worksheet_Change(ByVal Target As Range)
Set firstinvoice = Range("C2")
If Not Intersect(Target, firstinvoice.EntireColumn) Is Nothing Then
If Target.row > firstinvoice.row Then
If WorksheetFunction.CountIf(firstinvoice.Resize(Target.row - firstinvoice.row), Target.Value) > 0 Then
MsgBox "Invoice number " & Target.Value & " is already entered", vbOKOnly + vbCritical, "Invalid entry"
Target.Value = ""
Change the "C2" to the cell where your first invoice number is.
Hope this helps / Lars-Åke
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