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Powerapps CheckBox All should uncheck if one of the checkbox is unchecked.

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Posted on by Meghna_Jain

Hi Team,

Please guide me on this issue. There are checkboxes in gallery and outside of it I have given a checkbox ALL which, if checked, will check all the checkboxes inside gallery and vice versa. If the outside check box is checked, I am adding all the items to a collection and then the further processing starts on click of a button. Now, the issue is, if the user checks the ALL and then decides to uncheck one of the item, the click on submit button is still taking all the items. I have used remove function under uncheck property of gallery item but the collection still takes all the items. Can I do something like, when the user decides to uncheck one checkbox, the checkbox ALL also gets unchecked and only the checked ones come into collection

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Building Power Apps

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Ramanachiappan 179 Moderator on at

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Try this one @Meghna_Jain ,

Common CheckBox:
1. OnCheck:
ClearCollect([TempYourCollection],[YourCollection])
ForAll([TempYourCollection] As Record,
Patch([YourCollection],LookUp([YourCollection],ID = Record.ID),{[YourCheckBoxColumnName]:true})
)
1. OnUnCheck:
ClearCollect([TempYourCollection],[YourCollection])
ForAll([TempYourCollection] As Record,
Patch([YourCollection],LookUp([YourCollection],ID = Record.ID),{[YourCheckBoxColumnName]:false})
)

Gallery CheckBox:
1. OnCheck:
Patch([YourCollection],LookUp([YourCollection],ID = ThisItem.ID),{[YourCheckBoxColumnName]:true})
1. OnUnCheck:
Patch([YourCollection],LookUp([YourCollection],ID = ThisItem.ID),{[YourCheckBoxColumnName]:false})

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v-yueyun-msft on at

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Hi , @Meghna_Jain

I test it in my side , you can refer to this:

You need to use the ClearCollect() function to add a column like this:

ClearCollect(Products2 , AddColumns(CustomGallerySample,"IsChoosen",false))

CustomGallerySample is my test Table Name

The check box in Gallery.

OnCheck:

Patch(Products2,ThisItem,{IsChoosen:true})

OnUnCheck:

Patch(Products2,ThisItem,{IsChoosen:false})

Default:

ThisItem.IsChoosen

The All Checkbox outside of Gallery.

OnCheck:

UpdateIf(Products2 , true , {IsChoosen:true})

OnUnCheck:

UpdateIf(Products2 , true , {IsChoosen:false})

Default:

CountIf(Products2,IsChoosen) = CountRows(Products2)

And we can use this code to get the slected items in Gallery:

Filter(Products2,IsChoosen)

If this reply can help you , you can click mark this reply as solution (Accept solution) which can help more people, thanks in advance!

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Meghna_Jain 5 on at

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Hi,

Thankyou for the solution. I am able to resolve the issue now.

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