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This community covers the core Blue Prism RPA product.

  • 1.  Comparing Collections with different number of columns

    Posted 12 days ago


    I have two collections, coll A and Coll B, CollB has all the columns of coll A and an additional column "Result", Now the problem is I have to compare the collections and find out the unique values from them and write thrm in another collection. 

    A S

  • 2.  RE: Comparing Collections with different number of columns
    Best Answer

    Posted 12 days ago

    HI As,
     I assume you dont want the other additional  column present in the collection B?
    Multiple ways you can get the values
    1) Merge both the collection ( If you have the same columns) and get unique values 
    2) Loop the collection A and check the collectionB  contain value if it is  True then add the row in the new collection
    3.) Check this thread for Inner Join:
    4) Write Code stage ( C# or
    INput parameters: I_Collection_BI_Collection_B
    Output  parameters: O_Collection

    O_Collection = I_Collection_A.AsEnumerable().Intersect(I_Collection_B.AsEnumerable(),DataRowComparer.Default).CopyToDataTable()

    In the initailize action  under code option make sure the external references and Name spaces are present:
    External reference:

    Check some other useful articles

    If I answered your query. Please mark it as the "Best Answer"

    Harish M
    Lead developer
    America/New_York TX

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