Display Parent and Child Records Dynamically with Auto Height in Power Apps

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Posted on by PHA25

Hello Community,

Recently, I was working on a POC where I wanted to display parent and child records on a single screen in Power Apps.

The requirement is to show the child records dynamically under each parent record, and the height should automatically adjust based on the number of child records available.

I checked online for a similar approach, but I couldn’t find a clear solution for this scenario.

Has anyone implemented something similar in Power Apps? Is it possible to achieve this with dynamic height adjustment, or is there a better approach you would recommend?

Any suggestions or examples would be really helpful.

Thanks!

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Building Power Apps

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Henil 23 on at

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Hi @PHA25,

Yes, this is definitely possible. I also worked on a similar POC where I created a 3-level dynamic gallery in Power Apps. The same approach can also be extended to support any number of levels, with the gallery height adjusting dynamically based on the records.

It can be a little tricky from a UI and development perspective, especially when handling the dynamic heights, but yes, it is definitely achievable in Power Apps.

Please refer to the link below where I have shared my POC and demonstrated how the dynamic parent-child gallery works:
https://www.linkedin.com/posts/henil-patel25_powerapps-powerplatform-canvasapps-activity-7407701383275175936-6T3L?utm_source=share&utm_medium=member_desktop&rcm=ACoAAECmA2kBbliivaobz7dChFEU7Vffce1YE2I

If you'd like to know more about the approach or implementation, I’d be happy to connect on LinkedIn and discuss it further.

✅ If this solves your issue, please Accept as Solution so others facing the same problem can find it more easily. A Like is always appreciated if this helped point you in the right direction!
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WarrenBelz 156,528 Most Valuable Professional on at

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Hi @PHA25

I am assuming you are referring to a nested gallery here with the child record gallery nested inside the parent. I also assume that you have the Items of each gallery sorted out (if not, happy to assist).

The simplest way of making the child gallery a dynamic height is to set the TemplatePadding to zero 0 and the Height to
Self.AllItemsCount * Self.TemplateHeight

This will then adjust the height of the parent gallery to fit in whatever the child gallery expands to.

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11manish 4,632 Super User 2026 Season 2 on at

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Yes, your requirement is achievable. The flexible-height parent + dynamically sized child gallery is the most direct solution, but for a large production dataset, I would favor a single parent gallery with a separate child gallery that loads only when a parent is selected to avoid the performance problems associated with deeply nested galleries.

example :

CountRows(galChild.AllItems) * galChild.TemplateHeight