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Text Input modern control bug?

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Posted on by PA_MDEV

Hi,
I am using the new text input control and have noticed the following behavior since the recent update:

I set the value of the field using a variable (varTest.surname), which is currently empty. The variable is reinitialized every time I open the screen.

Then I manually enter a value into the text box (without saving it) and navigate to another screen.

When I return to the original screen, the previously entered text is still displayed in the text box.

Why is the value from the variable (which is empty) not applied in this case?

Am I missing something, or is this behavior expected after the update?

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Building Power Apps

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Vish WR 3,748 on at

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@MM-23040730-0

This is expected in the newer controls of Power Apps. Once a user types something, the text input keeps that value (even after navigation) instead of reapplying the variable. The Default only works on first load, not every time you return to the scree

Screen OnVisible

Set(varTest, { surname: "" });
Reset(TextInput1);

TextInput Default property

varTest.surname

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PA_MDEV 11 on at

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Thank you @Vish WR for your response. However, I find it unfortunate that.. unlike the old controls.. there is no corresponding option.

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timl 37,214 Super User 2026 Season 1 on at

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Hi @PA_MDEV

As far as I'm aware, this has always been the behaviour.

The other thing I would add is that the Reset function doesn't apply to the modern text input control. If you attempt to call Reset on a modern text input control, you'll receive a design time error in the editor.

The most likely cause of this issue is that varTest has not changed.

The pertinent part of from the Microsoft documentation is this:

>> Power Fx and Excel both automatically recalculate formulas as the input data change

https://learn.microsoft.com/en-us/power-platform/power-fx/variables

If the value of varTest.surname remains as "" when you re-enter the screen and OnVisible is called, the Default formula of the controls will not be recalculated.

The workaround is to toggle the value of varTest.surname to an interim value. If you modify the OnVisible property like so, that will clear the value of the modern text input control.

Set(varTest, {surname:"Edited" }); Set(varTest, {surname:"" });

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