Unexpected behavior - checkbox resets when icon is selected

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Posted on by MalyMajo

Hello all,

I have a gallery for managers to approve the invoices. The approval is done by selecting the thumbs up/thumb down icon.

Afterwards they need to select the gallery items for which they want to send the updates via checkbox (and then clicking on some button which is now not relevant).

My issue is that when I first select the checkbox and then change the thumbs selection, the checkbox resets to unchecked.

Could you please advise what am I doing wrong?

Below is the screenshot and some properties which might be relevant.

Gallery checkbox properties

OnCheck: true

OnUncheck: false

OnSelect: false

Default: Switch(locSelectAll, "t", true, "f", false, false)

Reset: false

Default is set as above in order to use "Select all" checkbox which is outside of gallery.

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Building Power Apps

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Al_10 1,691 Super User 2024 Season 1 on at

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@MalyMajo

when you 'change the thumbs selection', does it do patching to the same datasource as your gallery.items refers to?

If yes, i would add a button outside the gallery and move patching code there using ForAll().
PS. this will work only if the gallery is not inside a form.

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MalyMajo 87 on at

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@Alex_10 you were right, thanks a lot! 🙂

Due to that I had to rework whole logic on the like/dislike buttons but it seems to work.
For those who will face similar issue, I will post some code below.

OnSelect property of ThumbsUp icon
// set parameters UpdateContext({locEditedItem: ThisItem}); UpdateContext( { locLookedUpItem: LookUp( colPendingApprovals, recordID = locEditedItem.ID ) } ); // if the approval status is blank or false, set it to true. else set it to blank UpdateContext( { locApprovalStatus: If( Or( IsBlank(locLookedUpItem.approvalStatus), !locLookedUpItem.approvalStatus ), true, Blank() ) } ); // if the record is not in collection of changes, add it there. else update existing record If( IsBlank ( LookUp ( colPendingApprovals, recordID = locEditedItem.ID ).recordID ), Collect ( colPendingApprovals, { recordID: locEditedItem.ID, approvalStatus: locApprovalStatus } ), Patch ( colPendingApprovals, LookUp ( colPendingApprovals, recordID = locEditedItem.ID ), { recordID: locEditedItem.ID, approvalStatus: locApprovalStatus } ) )

Icon property of ThumbsUp icon
If( Or( IsBlank( LookUp( colPendingApprovals, recordID = ThisItem.ID ).approvalStatus ), !LookUp( colPendingApprovals, recordID = ThisItem.ID ).approvalStatus ), ThumbsUp, ThumbsUpFilled )

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