"Blank" Choice In Combobox

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Posted on by BF-02121120-0

I am experiencing a weird bug where there is a blank choice, or ghost choice, in a combobox.

See screenshot below:

The advanced properties for the combobox:

Combobox items:

Any ideas? I think it may be a bug in the combobox itself, because it was prevalent in a different combobox and has since disappeared.

TIA

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Building Power Apps

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11manish 3,333 on at

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Yes—this “ghost/blank choice” in ComboBox is a known quirk in Microsoft Power Apps, especially when using Choice columns from Dataverse

Workarounds

Filter out blanks (most effective)

Filter(
Choices('ISO Document Type'),
!IsBlank(Value)
)

I was facing similar issue and fixed as above

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MS.Ragavendar 7,431 Super User 2026 Season 1 on at

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@BF-02121120-0,

I tried to replicate the same thing, I am not experience any issues. Just check in the backend do you have any blank values if yes remove the blank values in the backend.

Distinct(Filter(Choices([@'5000Records'].'field_1'),!IsBlank([@'5000Records'].'field_1')),Value)

✅If this helped, please Accept as Solution to help others ❤️ A Like is appreciated 🏷️ Tag @MS.Ragavendar for follow-ups.

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BF-02121120-0 50 on at

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I have tried both of those options and still the issue persists:

Items:

Choices:

Like I said in my header, this has happened before but it went away. I might just leave it for a while to see if it resolves itself. It's not a major priority, but still nice to have.

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MS.Ragavendar 7,431 Super User 2026 Season 1 on at

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@BF-02121120-0,

In the backend can you please let me know how the backend values are ?

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BF-02121120-0 50 on at

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@MS.Ragavendar

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11manish 3,333 on at

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For me, it works like below :

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BF-02121120-0 50 on at

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@11manish

Are you using a modern form and modern combobox? For me it still does not work like yours.

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11manish 3,333 on at

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Below is details

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BCBuizer 22,833 Super User 2026 Season 1 on at

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Hi @BF-02121120-0,

Recently Microsoft has released a new version of modern controls, such as the Combobox and I have experienced the same issue as you described, or so I think.

The workaround to fix it is to change the DefaultSelectedItems property of the combobox to:

With( {_DefaultSelectedItems: Parent.Default, If( IsBlank(_DefaultSelectedItems), [], [_DefaultSelectedItems] ) )

If this does not fix the issue, please share the code of the control that has the issue. You can do this by right clicking the control and then selecting the View code option.

If this reply helped you in any way, please give it a Like 💜 and in case it resolved your issue, please mark it as the Verified Answer ✅.

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BF-02121120-0 50 on at

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@BCBuizer

This has fixed it - thank you so much. I wish Microsoft would provide these solutions themselves or acknowledge this is an issue!

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