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Nested collections in VBA

Posted on 2015-02-11
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Last Modified: 2016-02-10
I am trying to work on nested collections but am unsuccessful.

Can someone show me how to assign the given data to a collection such that each row is a collection and these collections are assigned to a parent collection.

I have attached a workbook with the data and also the code which I have which does not work as desired.

It has to be Collections. Not dictionary or any alternative.
Nested-collection.xlsm
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Question by:Saqib Husain, Syed
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Expert Comment

by:Wayne Taylor (webtubbs)
ID: 40604412
I would create a new instance of 'drow' with each row iteration...

Sub collections()
    Dim data As New Collection
    Dim rw As Range
    Dim cel As Range    
    For Each rw In Range("A3:A8")        
        Dim drow As New Collection
        For Each cel In Range(rw, rw.End(xlToRight))
            drow.Add cel.Value
        Next cel
        data.Add drow        
    Next rw
End Sub

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Accepted Solution

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Wayne Taylor (webtubbs) earned 500 total points
ID: 40604415
Sorry, should have tested first. Try this instead....

Sub collections()
    Dim data As New Collection
    Dim rw As Range
    Dim cel As Range    
    For Each rw In Range("A3:A8")
        Dim drow As New Collection
        For Each cel In Range(rw, rw.End(xlToRight))
            drow.Add cel.Value
        Next cel
        data.Add drow
        Set drow = Nothing
    Next rw
End Sub

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Author Comment

by:Saqib Husain, Syed
ID: 40604422
Hi, when I run this code all items in data are the same from a to z
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Author Closing Comment

by:Saqib Husain, Syed
ID: 40604430
That works great.

Thanks

Saqib
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