Override default of dropdown

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Posted on by wonka1234

920 Super User 2024 Season 1

Hi,

I have dropdown where property default is set to a certain value.

Default property - If ( DataCardvalue1.Selected.Value = "Canada", "Justin Trudeau", If(DataCardValue1.Selected.Value = "USA", "Joe Biden))

Items property = ["Justin Trudeau","Joe Biden"]

So I want it to default based on DataCardValue1. But I want to be able to override the default.

So when I override and switch the dropdown to Joe Biden even though datacardvalue1 = Canada, it does save in the backend sharepoint successfully.

But it doesnt show, Joe Biden in the item. It will always default to Justin Trudeau.

IS there anyway I can get it to show the accurate value?

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Building Power Apps

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mmbr1606 14,605 Super User 2025 Season 2 on at

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try this

OnVisible of Screen or DataCard: Initialize a variable:
UpdateContext({UserSelection: ""})

OnChange of Dropdown: Update the variable with the user's selection:
UpdateContext({UserSelection: Dropdown.Selected.Value})

default dropdown
If(IsBlank(UserSelection), If(DataCardValue1.Selected.Value = "Canada", "Justin Trudeau", If(DataCardValue1.Selected.Value = "USA", "Joe Biden")), UserSelection)

Let me know if my answer helped solving your issue.

If it did please accept as solution and give it a thumbs up so we can help others in the community.

Greetings

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wonka1234 920 Super User 2024 Season 1 on at

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@mmbr1606 what is OnVisible of Screen or DataCard? I see Visible on my datacard but cant put anything other then true or false!

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mmbr1606 14,605 Super User 2025 Season 2 on at

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each screen has an onvisible property

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wonka1234 920 Super User 2024 Season 1 on at

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thanks, i think its close, I cant seem to get it to work! its still showing my First Submit of that field.

It looks like UserSelection keeps going back to blank when i go back to the screen!

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scalca on at

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getting selected value of form works only with Form Mode View or New

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wonka1234 920 Super User 2024 Season 1 on at

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@scalca
Darn, I do not use View Mode.
I am using Edit Mode to edit an existing submitted field!

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scalca on at

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can you check Item property of your form ?
it works on edit mode if the form is connected to an item,

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wonka1234 920 Super User 2024 Season 1 on at

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@scalca yes it is -
I have - LookUp('Data Source',ID=gblRecordID)

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SpongYe 5,616 Super User 2025 Season 2 on at

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Hi @wonka1234

I would suggest to use a variable for what you want to achieve.
In the DataCardvalue1.Selected.Value set the OnChange property to:
UpdateContext({varCountry: Self.SelectedText.Value})

Then you can also use this variable in the screen to change the default value if it exists in the dropdown.
In the Default property of the other dropdown you change the code to:
If( varCountry = "Canada", "Justin Trudeau", varCountry = "USA", "Joe Biden" )
You don't need nested if statements you can directly add a logic behind one logic.

Then on a button you can update the variable to override the existsing value:
UpdateContext({varCountry: "USA"})

Hope this help you.
If you have any questions or feedback, please let me know. Have a great day! 😊

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