dconcat question

I am trying to get one line for every unique part number  that shows all the ID_LINES across instead of creating multiple records if they have multiple id lines.  Can I use dconcat for this? If so how would that work?  I also attached some images that might help you.

What I am trying to achieve is a query that looks like this
IM_KEY                       ID_LINE
774403074007         BP A-210 RV.4(13WC0562)/   PN 507-T-043/BP K03-7140-118
instead of a query that looks like this
IM_KEY                    ID_LINE
774403074007      BP A-210 RV.4(13WC0562)/
774403074007      PN 507-T-043/BP K03-7140-118

Any help what be appreciated
example1.PNG
example2.PNG
Matt HarrisonAsked:
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PatHartmanCommented:
I assume you are talking about a report or a query you are exporting.  There are several versions of concatenation functions available on the internet.  Any one of them would be able to do this.  Give it a whirl.
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Kyle AbrahamsSenior .Net DeveloperCommented:
Quick research led me to this:

http://allenbrowne.com/func-concat.html

If you're using a pass thru to SQL server you can do some fun things with the stuff function and XML query.  

for your specific query it would be:

select im.IM_KEY, ConcatRelated("ID_LINE", "ID", "IM_KEY = " & [IM_KEY]) as Lines
from IM

Code taken directly from the link above:

Public Function ConcatRelated(strField As String, _
    strTable As String, _
    Optional strWhere As String, _
    Optional strOrderBy As String, _
    Optional strSeparator = ", ") As Variant
On Error GoTo Err_Handler
    'Purpose:   Generate a concatenated string of related records.
    'Return:    String variant, or Null if no matches.
    'Arguments: strField = name of field to get results from and concatenate.
    '           strTable = name of a table or query.
    '           strWhere = WHERE clause to choose the right values.
    '           strOrderBy = ORDER BY clause, for sorting the values.
    '           strSeparator = characters to use between the concatenated values.
    'Notes:     1. Use square brackets around field/table names with spaces or odd characters.
    '           2. strField can be a Multi-valued field (A2007 and later), but strOrderBy cannot.
    '           3. Nulls are omitted, zero-length strings (ZLSs) are returned as ZLSs.
    '           4. Returning more than 255 characters to a recordset triggers this Access bug:
    '               http://allenbrowne.com/bug-16.html
    Dim rs As DAO.Recordset         'Related records
    Dim rsMV As DAO.Recordset       'Multi-valued field recordset
    Dim strSql As String            'SQL statement
    Dim strOut As String            'Output string to concatenate to.
    Dim lngLen As Long              'Length of string.
    Dim bIsMultiValue As Boolean    'Flag if strField is a multi-valued field.
    
    'Initialize to Null
    ConcatRelated = Null
    
    'Build SQL string, and get the records.
    strSql = "SELECT " & strField & " FROM " & strTable
    If strWhere <> vbNullString Then
        strSql = strSql & " WHERE " & strWhere
    End If
    If strOrderBy <> vbNullString Then
        strSql = strSql & " ORDER BY " & strOrderBy
    End If
    Set rs = DBEngine(0)(0).OpenRecordset(strSql, dbOpenDynaset)
    'Determine if the requested field is multi-valued (Type is above 100.)
    bIsMultiValue = (rs(0).Type > 100)
    
    'Loop through the matching records
    Do While Not rs.EOF
        If bIsMultiValue Then
            'For multi-valued field, loop through the values
            Set rsMV = rs(0).Value
            Do While Not rsMV.EOF
                If Not IsNull(rsMV(0)) Then
                    strOut = strOut & rsMV(0) & strSeparator
                End If
                rsMV.MoveNext
            Loop
            Set rsMV = Nothing
        ElseIf Not IsNull(rs(0)) Then
            strOut = strOut & rs(0) & strSeparator
        End If
        rs.MoveNext
    Loop
    rs.Close
    
    'Return the string without the trailing separator.
    lngLen = Len(strOut) - Len(strSeparator)
    If lngLen > 0 Then
        ConcatRelated = Left(strOut, lngLen)
    End If

Exit_Handler:
    'Clean up
    Set rsMV = Nothing
    Set rs = Nothing
    Exit Function

Err_Handler:
    MsgBox "Error " & Err.Number & ": " & Err.Description, vbExclamation, "ConcatRelated()"
    Resume Exit_Handler
End Function

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Matt HarrisonAuthor Commented:
Thanks that worked perfectly!!
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