How do I perform a VLOOKUP in Excel VBA ?

Hi All,

I've been trying to use a VLOOKUP in Excel VBA but keep returning an error against the lookup range. The error screenshot is attached.

I have two sheets - 'Active Directory' and 'K8'. I'm looping through column V:V in sheet Active Directory! and populating the blank cells with the returned values from a lookup on sheet K8!.

The lookup value I am using is in column A of sheet Active Directory!. The lookup range is in sheet K8! B9:Ix (where x is the bottommost row").

My code is below. At runtime it falls over on the 'LookupRange =  wsK8......' line.
Any help appreciated.

Thanks.
Toco

Public Sub Populate_EmployerID_From_K8()

    Dim wsAD As Worksheet
    Dim wsK8 As Worksheet
    Dim LookupRange() As Variant
    Dim i As Long
    
    Set wsAD = ThisWorkbook.Sheets("Active Directory")
    Set wsK8 = ThisWorkbook.Sheets("K8")
    
    LookupRange = wsK8.Range(Cells(9, 2), Cells(1048576, 9).End(xlUp)).Value
    
    For i = 9 To 5000
    
' Load the array from sheet "K8"       
 
       If wsAD.Range("V" & i).Value = "" Then
          wsAD.Range("V" & i).Value = Application.VLookup(wsAD.Range("A" & i).Value, LookupRange, 9, False)
       End If
       
   Next
    
    MsgBox ("Your process has completed successfully")

End Sub

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Lookup-runtime-error.PNG
TocogroupAsked:
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Rory ArchibaldCommented:
You haven't qualified your Cells calls:

LookupRange = wsK8.Range(wsK8.Cells(9, 2), wsK8.Cells(1048576, 9).End(xlUp)).Value

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TocogroupAuthor Commented:
Oh ! Such a basic mistake.
Thanks for that.

I tried this macro out on the first couple of blank cells of AD! and it returned a #N/A (value not found) which is fine.

However the third occurrence of the loop should have returned a value, but returned a #REF! This happens when the lookup tries to reference an empty cell isn't it. The lookup value (AD! A11) certainly has a valid value in it. Any ideas as to where I should look?

Phil
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als315Commented:
Your range (LookupRange) is started from column 2, so column in:
Application.VLookup(wsAD.Range("A" & i).Value, LookupRange, 9, False)
should be 8:
Application.VLookup(wsAD.Range("A" & i).Value, LookupRange, 8, False)
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TocogroupAuthor Commented:
Ahhh! Another basic mistake.
Thanks to you both. Much appreciate your help.
Regards
Toco
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