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2018-11-07 10-57-20
Carolina Bessa
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[OutSystems Data Grid] Grid with thousands+ rows gets blocked when selecting the dropdown
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OutSystems Data Grid (O11)
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I have a grid with +2000 thousands rows and the first column is a dropdown. (max 3000 rows)

If I just click on it or any other field and click outside the field,  the grid gets stuck and other fields are blocked too - I cant click.

And after some seconds I get this error


Is there something I can do to avoid this?

Im not adding any action to OnCellValueChange event.

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03 Apr 2025
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2018-11-07 10-57-20
Carolina Bessa

Sorry, not 2000 thousands.. 2 thousands :)

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04 Apr 2025
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2023-03-13 10-26-05
Sriyamini

Hi,

You can refer below forum discussion. This may help your problem.

https://www.outsystems.com/forums/discussion/68376/outsystems-data-grid-processing-2-million-records-on-screen/

Hope it helps.

Thanks,

Sriyamini.J

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04 Apr 2025
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2025-07-22 10-30-27
Mandar Deshpande

Hi @Carolina Bessa 

For your case, you can try below approaches:

  • Lazy-loaded cell editors
  • Pagination
  • Lookup modal
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04 Dec 2025
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