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Text Field Character Count on Modern text field (Modern Form)

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Posted on by sudosaurus

1,599 Super User 2024 Season 1

Hello,

I am using a plain textbox in a Modern Form and I am trying to set a max character limit. I've followed the below tutorial which is for classic controls, however my text doesn't dynamically update in real-time.

I only see the character text limit numbers change if I click into a different field.

https://lowcodego.com/2022/12/09/power-apps-text-field-character-count/

My text label Text property is set to:

300 - Len(ObjectiveDefinition_txt.Value)

I had to use .Value as .Text is not available on the modern controls.

The Color property is set to:

If(Len(ObjectiveDefinition_txt.Value) = 300, Color.Red, Color.Black)

The FontWeight property is set to:

If(Len(ObjectiveDefinition_txt.Value) = 300, FontWeight.Semibold, FontWeight.Normal)

Any help with this would be appreciated!

Thanks :)

Categories:

Building Power Apps

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Gabriel G. 831 Super User 2025 Season 2 on at

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Hi,

Make sure you set the 'TriggerOutput' property to 'KeyPress':

By default, component is on 'Focus out', making the event to trigger after focusing out. Once you set it to 'KeyPress', you should get what you expeting.

I hope it helps!
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sudosaurus 1,599 Super User 2024 Season 1 on at

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Thanks @GabGadou

Didn't notice that!

Solved ;)

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