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  • 1.  Remove duplicates from collection based on specific column

    Posted 10-14-2020 16:23
    Hello Community, 
    I have a collection, suppose Col1. It has 2 columns i.e. Operating System and UserId.
    I need to filter out the rows in Col1 with its name as Linux and Mac. But before it filters both I want to remove duplicates if any.
    Operating System UserId 
    Mac.                          123
    Mac.                          123
    Linux.                        652
    Mac.                          124
    First thing, two seperate collections for Linux and Mac.
    Second thing, removing duplicates based on UserId. 
    Note:one userId can have multiple OS.

    Guggs Kia

  • 2.  RE: Remove duplicates from collection based on specific column

    Posted 10-14-2020 16:48

    There are some assets available on DX which can cater to these scenarios. I haven't tried this myself but here are the links -

    Shashank Kumar
    DX Integrations Partner Consultant
    Blue Prism

  • 3.  RE: Remove duplicates from collection based on specific column

    Posted 10-18-2020 17:53
    Use the following code to remove duplicate names based on column names.

    [Inputs : coll,collName ]
    [Output: groups ]

    Dim hTable As New Hashtable()
    Dim duplicateList As New ArrayList()

    'Add list of all the unique item value to hashtable, which stores combination of key, value pair.
    'And add duplicate item value in arraylist.

    For Each drow_1 As DataRow In coll.Rows

    If hTable.Contains(drow_1(colName)) Then



    hTable.Add(drow_1(colName), String.Empty)

    End If


    'Removing a list of duplicate items from datatable.

    For Each dRow_2 As DataRow In duplicateList



    groups = coll

    Jane Jebarson Senior Automation Engineer

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