empty value in dropdown menu

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Posted on by Nico_0710

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Hello everyone,

I have built an app in which you can use a drop-down menu to select what should go into a form. You can then customise the text in the shape if required. (See picture).

However, I would like the dropdown field to be set to an empty value as soon as the form has been sent, so that there is not already something in the form at the beginning.

In the picture I have only started my app and as you can see a value is already selected in the dropdown.

I hope you understand my concern.

Thanks in advance

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Building Power Apps

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Nandit 1,568 Moderator on at

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Hi Nico_0710,

I don't see the any attached images (I think its cause of the latest updates to the forum) but here's some thoughts based on my understanding.

You will have to use the Classic DropDown for this or add a Blank value to your Modern Dropdown values.

Classic Dropdown:

Update AllowEmptySelection: true

Default property of your DropDown: Blank()

OnSelect of the Sumbit Button: Reset(DropDown)

Modern Dropdown:

Items: [" ", "Item 1", "Item 2", "Item 3"]

If your items are coming from a DataSource, add a blank by creating a collection on OnStart:

ClearCollect( colDropdownOptions, [{fieldname: Blank()}], Distinct(DataSource, fieldname) );

Default property of your DropDown: Blank()

OnSelect of the Sumbit Button: Reset(DropDown)

Hope this helps.

Kind regards,

Nandit

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Ammar Zaied 97 on at

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You can reset the dropdown control when the form is successfully submitted by using the Reset() function inside the OnSuccess property of the form. This will reset the dropdown back to its initial state (usually blank or the default value).

To ensure the dropdown starts with an empty value (or a placeholder) when the app loads, follow these steps:

Select the Dropdown control in the app.

Set its Default property to Blank() so that it doesn’t pre-populate a value when the app starts.

If you want to display a placeholder text in the dropdown, you can add a blank option to your Items property.

after the form is submitted:

The dropdown will be reset back to blank using the Reset() function.

The next time the form is loaded, the dropdown will start with an empty value (or the placeholder) as defined in its Default property.

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