Select data that meet criteria from a table adding it to a combobox in userform VBA Excel

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Please be patient with me; I'm new to coding and am well over my head. I have an excel table with data. I want to use VBA to choose values (numbers) from the table's Active Accessions, first column, that are in the same row as names in the second column. The names correspond to those in a combination box (cmbxLatinName). The list of chosen numbers from column 1 should then be added as a result of all of this into a separate comboxbox (cmbxSourceAcc). This current code, which I spent hours searching for to understand and utilise, sounds nice, but I can't get the Datarw right; I can't 'dim' it. I was going to write the results into the third column of the table since I knew how to pull them into the combobox even though there is a way to get directly into the combo box that is too hard for me. I'm sure my project and code are ugly, but I'm learning and they do provide the outcomes when I can get them to function.

'Match source accession to its sub-accession
Public Function GetSourceAcc()

    Dim Tbl As ListObject
    Dim r As Long
    Dim Datarw As
    
    Set Tbl = Sheet5.ListObjects("Active_Accessions")
    r = 1
    For Each Datarw In Tbl.ListRows
    If Datarw.ListColumns(2).DataBodyRange = Me.cmbxLatinName.Value Then
        Tbl.ListColumns(3).Offset(r, 0) = Tbl.ListColumns(1).Value
        r = r + 1
    End If
    Next
    
    GetSourceAcc = Sheet5.ListObjects("Active_Accessions").ListColumns(3).DataBodyRange.Value
    
    Let Me.cmbxSourceAcc.List = GetSourceAcc
    Me.cmbxSourceAcc.ListIndex = 0

End Function

The line Dim Datarw As... I can't figure out the correct way to dim it so it breaks/debugs too for or if depending on how I dim it.

Mar 26, 2023 in Others by narikkadan
• 63,420 points
471 views

1 answer to this question.

0 votes

Fill Combo Box With Matches

Sub GetSourceAcc()
    ' It is assumed that the ranges have at least 2 cells (rows) (each).

    Dim tbl As ListObject: Set tbl = Sheet5.ListObjects("Active_Accessions")
    
    ' Source Lookup (sl)
    Dim slrg As Range: Set slrg = tbl.ListColumns(2).DataBodyRange
    Dim srIndexes(): srIndexes = Application.Match(Me.cmbxLatinName.List, slrg, 0)
    ' 'srIndexes' holds the matching row indexes i.e. the numbers of the rows
    ' where each item from the combo box was found in the source lookup range.
    ' If an item was not found, an error value was returned (shouldn't happen).
    
    ' Source Return (sr)
    Dim srData(): srData = tbl.ListColumns(1).DataBodyRange.Value
    
    ' Write the matching values to an array.
    
    ' Destination (d)
    Dim dCount As Long: dCount = UBound(srIndexes)
    Dim dArr(): ReDim dArr(1 To dCount)
    
    Dim d As Long, n As Long
    
    For d = 1 To dCount
        If IsNumeric(srIndexes(d, 1)) Then
            n = n + 1
            dArr(n) = srData(srIndexes(d, 1), 1)
        End If
    Next d
    
    If n < dCount Then ReDim Preserve dArr(1 To n)
    
    'Debug.Print Join(dArr, ", ")
    
    ' Return the matching values in another combo box.
    
    Me.cmbxSourceAcc.List = dArr
    Me.cmbxSourceAcc.ListIndex = 0

    MsgBox "Combo box populated.", vbInformation

End Function
answered Mar 26, 2023 by Kithuzzz
• 38,010 points

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