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XY Look up function for Excel range.  Return array of results to VBA subroutine

Posted on 2012-04-11
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Last Modified: 2012-05-10
Any direction or help would be appreciated.  I have attached a file for you to look at.  What I need is basically a XY table lookup in VBA BUT there can be more than 1 result.  And I need it to ignore blank values and blank lines.


Please refer
For example, if I pass Joe and Period 4 to the funciton.  I would expect an array back with 2 elements of France, .75 and Italy, 1

It also needs to ignore blank lines and numbers.
XYlookup.xlsx
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Question by:drhamel69
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9 Comments
 
LVL 24

Expert Comment

by:StephenJR
ID: 37833255
How are you intending to use this array?
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Author Comment

by:drhamel69
ID: 37833353
I have even more coding after this to loop through other things.
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Expert Comment

by:StephenJR
ID: 37833371
OK, didn't read your question title properly. I would have a procedure with arguments including the range and then no need to bother about whether there are blank lines.
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Author Comment

by:drhamel69
ID: 37833391
that would work too as long as I am passed an array back
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Accepted Solution

by:
StephenJR earned 500 total points
ID: 37833436
Here is one approach. I'm assuming you want a 2x2 array returned?
Function XYLookup(rTable As Range, vName, vPeriod) As Variant

Dim vOut(), i As Long, c As Long, rFind As Range, sAddr As String
 
c = Application.Match(vPeriod, rTable.Rows(1), 0)

With rTable.Columns(2)
    Set rFind = .Find(What:=vName, LookAt:=xlWhole, MatchCase:=False, SearchFormat:=False)
    If Not rFind Is Nothing Then
        sAddr = rFind.Address
        Do
            i = i + 1
            ReDim Preserve vOut(1 To 2, 1 To i)
            vOut(1, i) = rFind.Offset(, -1)
            vOut(2, i) = rTable(rFind.Row - rTable(1).Row + 1, c)
            Set rFind = .FindNext(rFind)
        Loop While rFind.Address <> sAddr
    End If
End With

XYLookup = Application.Transpose(vOut)

End Function

Sub x()

Dim v, i As Long

v = XYLookup(Range("A2:H11"), "Joe", "Period 4")

For i = LBound(v, 1) To UBound(v, 1)
    MsgBox v(i, 1) & "," & v(i, 2)
Next i

End Sub

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LVL 2

Author Comment

by:drhamel69
ID: 37833528
WOrks fine on the example I gave but when I imported into my actual project i am getting a type mismatch error on c = Application.Match(vPeriod, rTable.Rows(1), 0)

Any Ideas?
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LVL 24

Expert Comment

by:StephenJR
ID: 37833941
I didn't put in any error trapping. It means the period value isn't found in the first row of your range.
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Expert Comment

by:Martin Liss
ID: 37951046
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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