How to uncheck a checkbox by another checkbox, inside gallery control ?

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Posted on by trickytechie

Hi,

I have a gallery control and I have added a checkbox in it and now I have one situation, that is :

I need to uncheck a checkbox when I select any one checkbox.

For e.g. I have 10 checkbox and I check first checkbox then I am filtering my table by the text of that checked checkbox . Now I have checked another checkbox in gallery then deselect the first one and table will be filtered by the 2nd checked checkbox's text.

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Building Power Apps

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Drrickryp Super User 2024 Season 1 on at

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@trickytechie,
Sounds like you need to use a radio control.
trickytechie 18 on at

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Hi @Drrickryp,

No. I cannot use radio buttons. My requirement is for multiple selection (Only checkbox)
v-monli-msft Microsoft Employee on at

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Hi @trickytechie,

You mentioned that you need multiple selection, but then your requirement is to auto-uncheck all other options when one option is selected. This is paradoxical.

Or did I misunderstand your requirement? Did you mean that you want to filter the Gallery according to your selections? No matter with single selection or multiple selections? If so, then actually this is exactly what Radio and ComboBox control do.

If we use the combo box, and you want to filter the gallery according to multiple items selected in combo box, then the formula of filtering with combo box should be something like:

Filter(
datasource,
First(LastN(ComboBox1.SelectedItems,1)).Value in ChoiceColumn && First(LastN(ComboBox1.SelectedItems,2)).Value in ChoiceColumn && First(LastN(ComboBox1.SelectedItems,3)).Value in ChoiceColumn && ... )

If you insist to use the multiple separated checkboxes, and your column is multiple-selected column, then I do not think this could be achieved so far.

Regards,

Mona
PStafford 21 on at

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Hey! I realize I'm five years late on this one, but I came across this same issue and somehow found a solution.

In the "OnVisible" property of the screen the checkboxes are on, add this:
UpdateContext({varCheckboxes:Blank()});

Then on your first checkbox, set the "OnCheck" property to:
UpdateContext({varCheckboxes:"Checkbox1"});
Set the "OnUncheck" property to:
UpdateContext({varCheckboxes:Blank()});
And then set the "Default" property to:
varCheckboxes="Checkbox1"

And do the same on the other checkbox(es) with just the number changed.