Question - I have a "Yes/No" data field, i need to show another field when its selected "Yes". I have used UpdateContext but this isnt working

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Posted on by PowerNovice

I have put:

UpdateContext({showDataField:true}) within the "onCheck" attribute of the "Yes/No" toggle

and put:

showDataField within the "Visible" attribute for the data field that needs to be shown.

Am i missing something? or should i be initialising the variable on onStart or using it within a different attribute?

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Building Power Apps

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Sickle-Cell 600 Super User 2024 Season 1 on at

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Hi @PowerNovice

You don't even need UpdateContext. Just set the Visible property of the field to If(DropdownName.SelectedText.Value="Yes",true,false)

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Pro_User_365 546 on at

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Hi @PowerNovice ,
To show another field based on the selection of a "Yes/No" toggle in Power Apps, using UpdateContext is a correct approach. However, ensure the following steps are correctly implemented:
Initialize the Variable: On the OnStart of the app or screen, initialize showDataField using UpdateContext({showDataField: false}). This sets the default state.
Set OnCheck and OnUncheck: In the toggle control's OnCheck, use UpdateContext({showDataField: true}). Similarly, in the OnUncheck, use UpdateContext({showDataField: false}).
Configure Visibility: In the Visible property of the field you want to show or hide, simply reference the variable: showDataField.
Save and Refresh: After making these changes, save and then refresh your app to ensure the changes take effect.
This approach should dynamically show/hide the field based on the state of the "Yes/No" toggle. Make sure there are no typos or syntax errors in your formula.

Note: After receiving the answer, if you think it's helpful, please consider accepting it. 😊 Regards! Ali Shahzad

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mmbr1606 14,605 Super User 2025 Season 2 on at

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Hey,

i made a test and it worked.

i inserted a Text input control and a toggle.

For the Text input control i set the visible property to Toggle1.Value.

this shows my text input only when the toggle has the value "on".

please let me know if it helped and accept as solution if it did to help others 🙂

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PowerNovice on at

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Hi,

Your reply got me thinking so i thank you. There is no attribute for "SelectedText" so i simply just checked the boolean value and checked whether it was true or false - true = yes / false = no.

Below is the solution.
If(DataCardValue63.Value = true, true,false)

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PowerNovice on at

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Hi @mmbr1606 ,

appreciate the reply, i have now resolved the problem. That is a nice and easy way to do it.

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PowerNovice on at

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Hi @Pro_User_365 ,

Yeh i continued to try that, but it wasnt working for me. So i did the below instead, and this works for what i need. Something simple. Thank you for your help and explanation.

If(DataCardValue63.Value = true, true,false)

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