Display custom text if field is blank

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Posted on by Community Power Pla...

Hello everyone,

I am having trouble configuring custom text to display if a field is left blank.

I've tried several variations of:

If(Parent.Error="Input number.","Please enter....","")

If(IsBlank(Parent.Error); ""; "Your custom error message")

But so far I haven't had any success. All I'm trying to do is basically display "Input number" if a field is left blank and the form is submitted. I realize this probably isn't super difficult, but try as I might, I haven't been able to figure it out.

Thanks in advance for your help! Please let me know if more details are required.

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Building Power Apps

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Shanescows 2,218 Most Valuable Professional on at

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How about something more like:

Visible = If(IsBlank(InputNumberField.Text), "false", "true")

I covered it in this video Conditional Formatting in PowerApps.

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Drrickryp Super User 2024 Season 1 on at

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If you are working with a text input box, the simplest approach is to use the Hint Text property.

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Anandavadivelan 21 on at

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Thank you Shane, and you could do this also if it’s a gallery in place of the text field?

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Shanescows 2,218 Most Valuable Professional on at

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Sure. A gallery doesn't show up when it is blank and it also has a Visible property.

This video covers a lot of these concepts. Conditional formatting in PowerApps. Maybe give it a watch, give it a try, and let us know if you get stuck. Everything you want to do seems to be there. 🙂

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Anandavadivelan 21 on at

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Thanks Shane, I already subscribe and follow your videos, will check this video. great work by the way!

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Community Power Pla... on at

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Hi @Shanescows,

Thanks for the input! I'm still a bit confused as to how what you suggested will allow me to change the text that is displayed on error. Am I missing something?

Thanks so much!

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Shanescows 2,218 Most Valuable Professional on at

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Hi Neal - Let's see if we can make sure you get this figured out.

Maybe I misunderstood? I thought your goal was to show a message that says something like "This isn't a valid email address, please try again" or "Name is a required field". Is that your goal?

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Community Power Pla... on at

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Hi Shane,

First, thank you so much for taking the time to get back to me on this and for your help in figuring this out. I really do appreciate it!

My goal is to display the error message, "Input number" if a field is left blank and someone tries to submit the form. Currently, the default error message is displayed, and I can't figure out how to change it to what I want.

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Shanescows 2,218 Most Valuable Professional on at

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Sorry, I was out all afternoon. Can I recommend you do it slightly different? Leave the submit button disabled until the form is filled out. 🙂 I think this video on PowerApps conditional formatting should be exactly what you are looking for. If not happy to help more.

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Community Power Pla... on at

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Thank you, @Shanescows!

Apologies for the lengthy delay in response! I understand what you're saying, and I think I understand how to implement that. Thank you for your help. 🙂

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