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"Display Fields" settings in ComboBox are reset when saving the canvas app

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Posted on by MasterRA

I usually use double layout in the items of a ComboBox, everything is fine when choosing "Primary text", "Secondary text" and "Search text" but at some point in the development or when saving that configuration it is reset or configured in a default way that I don't know how it works when working with SQL Server data; I fill the ComboBox with data from a table that refers to the foreign key of a main table, only that in the canvas app it reacts badly and those values that I mentioned before are reset.

I think it is a bug in the canvas app system, it would be ideal if they could solve it in the future, it is not at all appropriate for clients to find those ComboBoxes with data that they do not see as familiar and it is annoying to be reconfiguring this every time what's going on.

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mhopus 51 on at

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"Display Fields" settings in ComboBox are reset when saving the canvas app

Still a relevant observation in Nov 2024. In my example when I add the combo box it selects this field automatically:

I then change this to be dynamically set:. It works, everything seems fine. I continue working.

But without any clear indicator why, at some point, quite possibly at next Save, this field without any indicator or warning, has resetted to original state again:

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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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"Display Fields" settings in ComboBox are reset when saving the canvas app

Does this happen when you make changes to the form after setting these values or changes to the control? I have seen some properties changing but never item properties.

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mhopus 51 on at

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"Display Fields" settings in ComboBox are reset when saving the canvas app

I'm sort'a hijacking the thread, but with good intentions. This happens without me changing the control's configuration or parameters or formulas in any way. One plausible suggestion in another discussion thread was that when the combo box receives "a different enough data set" due to variables changing, that causes it to rebuild it's schema or whatever which causes it to reset specific fields. I made a demo of the issue here: https://community.powerplatform.com/forums/thread/details/?threadid=bc36b2ba-5e39-4c48-85ee-20ce36186998

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