Power Apps check if combo box is empty

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Posted on by HM-22080408-0

Hi Members,

I have a requirement in Power Apps where I want to check if combo box is empty

Scenario:

In the Power Apps screen, there is a Combo box control, a Button control, and a Text label control.
The combo box doesn't contain any values (Blank).
When the user clicks on a button control, the text label should display "The combo box has no Values"

Combo box error.png Can anyone please suggest how I can resolve this? Thanks in advance!

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Building Power Apps

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Rajkumar_M 3,741 Super User 2025 Season 2 on at

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Re: Power Apps check if combo box is empty

Hi @Hemashree

Set the Text property of the Text label control to the following formula:

If(
IsEmpty(ComboBox1.SelectedItems),
"The combo box has no Values",
""
)

Thanks!

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PowerStudent 150 on at

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Re: Power Apps check if combo box is empty

Hi,
You can achieve this by setting the Text property of the Text label control based on the Items property of the Combo box. Here's how you can set it up:

Select the Text label control.
Set the Text property of the Text label to the following formula:
If(IsEmpty(ComboBox1.Items), "The combo box has no Values", "")
Replace ComboBox1 with the actual name of your Combo box control. This formula checks if the Items property of the Combo box is empty and, if so, sets the text of the label to "The combo box has no Values". If the Combo box is not empty, the label will display an empty string.
Select the Button control.
Set the OnSelect property of the Button to the following formula to force the Text label to update when the button is clicked:
UpdateContext({forceRefresh: !forceRefresh})

This uses a context variable forceRefresh to force the label to re-evaluate its Text property when the button is clicked.
Make sure that you replace ComboBox1 with the name of your actual Combo box control.

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