Filtering a gallery based on a string with a multi-choice dropdown

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Posted on by JeroenH

Hi guys

I'm not even sure if this is possible, but here goes.

I have a dataverse table which has a text column, that text column contains a string with multiple values.

For example "a, b, c, d". Then I populate a dropdown with the distinct values of that column.

Now I want to filter my gallery based on the multiple selected items.

So if I have 3 rows;

1. a, d, c

2. a, c

3. a, b, c, d

If I select a I want it to return all the values, if I select a, d I want it to return row 1 and 2 and so on.

Is there a way to do this?

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Microsoft Dataverse with Power Apps

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PowerRanger 3,458 Super User 2024 Season 1 on at

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@JeroenH There is very likely a better solution and mine has one big downside but it might be sufficient for your needs:

ForAll( GroupBy( Ungroup( ForAll( ComboBox1.SelectedItems, Search( SampleList, ThisRecord.Value, "request" ) ), "Value" ), "ID", "myColumns" ), Last( FirstN( ThisRecord.myColumns, 1 ) ) )

You have to replce some values based on your setup. So you need to change SampleList with your DataSource and ComboBox1 with the name of your ComboBox. Place this formular in the Items property of your gallery.

Downside 1:
- This will not work on large datasets
- We will loose the ID column 😞 ..... I am working on a solution 🙂

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

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PowerRanger 3,458 Super User 2024 Season 1 on at

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@JeroenH This will now have the ID back in the result:
ForAll( GroupBy( Ungroup( ForAll( ComboBox1.SelectedItems, Search( SampleList, ThisRecord.Value, "request" ) ), "Value" ), "ID", "myColumns" ), Patch(Last( FirstN( ThisRecord.myColumns, 1 ) ),{ID:ThisRecord.ID}) )

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

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JeroenH 2 on at

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My dataset consists of 20k + records so sadly this isn't an option.
I have converted the string to a "choices" type column now but it's still not letting me filter for some reason.

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