How to Update NumberInput Value on Keypress Instead of FocusOut?

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Posted on 13 Mar 2025 09:28:33 by SN-13030919-0

Currently, it seems that the NumberInput value in PowerApps only updates on FocusOut, rather than on every keypress. This causes delays in scenarios where real-time updates are needed, such as live calculations or dynamic UI changes. Is there a way to make NumberInput update on each keypress instead? If not, is there a planned update to support this behavior?

Looking forward to any workarounds or official insights on this!

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Michael E. Gernaey 36,197 Super User 2025 Season 1 on 16 Mar 2025 at 06:07:31

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How to Update NumberInput Value on Keypress Instead of FocusOut?

Hi @SN-13030919-0

So unfortunately what @MSR@08012015 said its not exactly correct.

Due to changes in the controls, the normal (old) Text Input does not automatically trigger anymore on KeyPress.

However, he is absolutely correct that the Number Input (as you already mentioned) does not support this at all, but you are seemingly wanting to use the Modern Controls.

So the proper way to resolve it is to us the modern Text Input.

Then Change the output trigger to KeyPress, like this

This does allow the OnChange to trigger immediately. However, you cannot change this one to Numeric, so as the previous poster suggested, what you have to do is either something like

Set(Variable, Value(Self.Value))

Or

UpdateContext({ Variable: Self.Value });

Or as mentioned change the Format and Numeric value in the other controls / Collection etc

So you can do what you want with the Modern Text Input.

Also, no idea when or if they will add this to the Numeric Input, although it is weird the lack of parity between controls.
MSR@08012015 547 on 13 Mar 2025 at 09:39:42

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How to Update NumberInput Value on Keypress Instead of FocusOut?

Hi,

Currently, Power Apps doesn't natively support live updates on each keystroke for NumberInput.

Since TextInput updates on every keypress, you can use it instead of NumberInput and then convert the value to a number dynamically.

Add a TextInput (e.g., txtNumberInput).

Set its OnChange property to: Set(varNumber, Value(txtNumberInput.Text))

If needed, format the value inside a Label or another control: Text(varNumber, "[$-en-US]#,##0")

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