Navigate between pages if no table data in collection

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Posted on by CU22100725-0

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Hi,

I have a collection named ColUpdate who collect all data from an edit in my gallery. If I want to navigate between other pages, ColUpdate need to be blank, if not I can't switch page.

How can I do that ?

Thanks,

Tom Victor

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Building Power Apps

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Ami K 15,687 Super User 2024 Season 1 on at

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Hi @TomVictor ,

There are many ways to achieve this. For example suppose you have a button which navigates the user to a specific screen, you can apply the below to the DisplayMode property of the button.

If the Collection is empty, the button is enabled, otherwise it will be disabled.

If( CountRows(ColUpdate) = 0, DisplayMode.Edit, DisplayMode.Disabled )

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CU22081303-0 150 on at

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I misunderstood the question. I thought you were asking how to clear the collection, not how to restrict the page navigating. Leaving my answer here in case it can help someone, but please disregard.

Hi, this should be what you need:

ClearCollect(ColUpdate,Blank())

Make a button with that code to clear the collection, or call that function before navigating:

ClearCollect(ColUpdate,Blank()); Navigate(SomeScreen);

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CU22100725-0 129 on at

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Hi @Amik ,

Thanks for your help it works very well !

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