Polymorphic not showing up in Combobox Control in Edit-Form (DefaultSelectedItems)

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Posted on by BaumR

Hello,

i'm struggling with the DefaultSelectedItems in a Edit-Form, because This.Item won't show up in the Combobox Control.

Here are screenshots for better understanding:

The Code for Items is:

If(Radio1.Selected.Value = "Kontakt"; Distinct(Kontakte; 'Vollständiger Name'); Distinct(Firmen;Firmenname))

But then i tried the normal Combobox. With this it worked fine and the default Value from the selected form-item is being displayed.

Can somebody help me with this issue? What am i doing wrong?

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Building Power Apps

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Ami K 15,689 Super User 2024 Season 1 on at

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@BaumR - the ComboBox is expecting a Record, not a Table (indicated by the square brackets).

If( IsType( ThisItem.Kunde; Kontakte ); AsType( ThisItem.Kunde; Kontakte ); AsType( ThisItem.Kunde; Firmen ) )
BaumR 42 on at

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@Amik wrote:
@BaumR - the ComboBox is expecting a Record, not a Table (indicated by the square brackets).

If( IsType( ThisItem.Kunde; Kontakte ); AsType( ThisItem.Kunde; Kontakte ); AsType( ThisItem.Kunde; Firmen ) )

Thanks for your Solution. I already tried it. But this also isn't working unfortunatly.

Also what i tried, what didn't worked:

If( IsType(ThisItem.Kunde; Kontakte); [{ 'Vollständiger Name': AsType(ThisItem.Kunde; Kontakte).'Vollständiger Name' }]; [{ Firmenname: AsType(ThisItem.Kunde; Firmen).Firmenname }] )

If( IsType(ThisItem.Kunde; Kontakte); Filter(Kontakte; 'Vollständiger Name' = AsType(ThisItem.Kunde; Kontakte).'Vollständiger Name'); Filter(Firmen; Firmenname = AsType(ThisItem.Kunde; Firmen).Firmenname) )

All didn't worked. Did i make a mistake somewhere else?

Thank you!
Ami K 15,689 Super User 2024 Season 1 on at

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@BaumR - the Items and the DefaultSelectedItems property of your ComboBox must have the same table schema.

Remove the Distinct function from the Items property and replace with either:

Kontakte

Or:

Firmen
BaumR 42 on at

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Ah great! Thanks!
When i just use one of the tables, it's working.

I have tried it last time unsuccessful with this code:
If(Radio1.Selected.Value = "Kontakt"; Kontakte; Firmen)
Is there any chance that i can get both tables into the Combobox?
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Ami K 15,689 Super User 2024 Season 1 on at

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@BaumR - does not work that way. You will need separate Data Cards for Contacts and Accounts.
BaumR 42 on at

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I got it to work now with 2 seperate Comboboxes over each other and whatever is clicked at the Radio Button, the right Combobox will show up.
So Contact Combobox shows up, when Radio Button is clicked on "Kontakt".