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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / Cannot use Lookup func...
Finance | Project Operations, Human Resources, ...
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Cannot use Lookup function in SSRS report in D365 F&O

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Posted on by Noman Rasheed 5

Hi, 

I have created a SSRS report based on D365 F&O which contains three datasets. Everything works fine until I try to use Lookup function in SSRS. For simplicity consider I have a field named "Item Id" in Main Dataset (Applied on the tablix). In another dataset say "SecondaryDS" I have a field named "ItemId". I am matching the Item Id field in both datasets to fetch Name field from the "SecondaryDS".

This is a normal case for a SSRS Lookup function. In the Textbox box I have created the following expression.

=Lookup(Fields!ItemId.Value, Fields!ItemId.Value, Fields!Name.Value, "SecondaryDS")

The expression does not show any error but when I try to deploy the report I get the following error. Have anyone faced similar sort of issue. If yes please let me know 

pastedimage1675903282139v2.png

PS: I have done a workaround for solving my problem but I am just curious about how we will get this lookup function to work.

I have the same question (0)
  • GirishS Profile Picture
    GirishS 27,825 Moderator on at
    RE: Cannot use Lookup function in SSRS report in D365 F&O

    Hi Noman,

    Can you double check whether the dataset name "SecondaryDS" match with the dataset name under SSRS report dataset node.

    Thanks,

    Girish S.

  • Noman Rasheed Profile Picture
    Noman Rasheed 5 on at
    RE: Cannot use Lookup function in SSRS report in D365 F&O

    Hi Girish

    Yes I have double checked it matches with DS name.

  • GirishS Profile Picture
    GirishS 27,825 Moderator on at
    RE: Cannot use Lookup function in SSRS report in D365 F&O

    I too tried using the lookup method and got the same error.

    I don't know the reason for that. But in future if you find solution to this please post the answer here which will be helpful for others.

    If I find the solution in future I will update this thread.

    Thanks,

    Girish S.

  • Verified answer
    huijij Profile Picture
    huijij 19,811 on at
    RE: Cannot use Lookup function in SSRS report in D365 F&O

    Hi Noman,

    Thanks for your detailed issue description. In order to better investigate the cause of the error. It is recommended you create a support ticket for professional assistance following the below procedure.

    Help + support | Power Platform admin center (microsoft.com)

    Best Regards, 

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