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Set default value for choice box with sharepoint lookup column

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Posted on by LukasR

Hello everyone,

I have created a simple datamodel in sharepoint by referencing other lists through lookup columns. In my app I now want to automatically set the default value of a choice box by a global variable. The variable contains the ID of the record I want to reference. I know I can create a record [variable] and set this as the defaultselecteditems to that record. The correct ID then appears but after submitting the ID does not appear in the sharepoint list.

What am I doing wrong here?

Thanks for your help, Lukas

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Building Power Apps

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CNT 10,921 Super User 2024 Season 1 on at

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@LukasR Can you share the formulas you have in the default property of this combobox and also the update property of the datacard that holds this combobox.

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LukasR 16 on at

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Hello,

these are the settings of the combobox.

and this is whats in the update property,

Thanks for your help,
Lukas

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CNT 10,921 Super User 2024 Season 1 on at

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@LukasR The DefaultSelectedItems can't be just an ID, it has to be a table with the record that you want. So you have to do a Filter and find the matching record,
Filter([@Putendaten_EinstallDaten], DurchgangsID=CalId)

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LukasR 16 on at

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@CNTThanks for your reply. I tried that, too, but get the error that I cannot compare a record (DurchgangsID) to a text (CalID).

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CNT 10,921 Super User 2024 Season 1 on at

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@LukasR Looks like DurchgangsID is a LookUp. Then you will have to have, DurchgangsID.theID (rename it to the correct name)

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LukasR 16 on at

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@CNTYes, DurchgangsID is a Lookup, that looks up the ID of the referenced list and I need that ID to be the defaultselecteditem. So what is the correct formula for that?

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CNT 10,921 Super User 2024 Season 1 on at

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@LukasR What is the datasource for the EditForm?

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LukasR 16 on at

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@CNTthe datasource for the EditForm ist Putendaten_Einstalldaten and it looksup the ID of the list "Putendaten_Durchgang"

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CNT 10,921 Super User 2024 Season 1 on at

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@LukasR If DurchgangsID is a LookUp to "Putendaten_Durchgang" which has an ID column then try this,
Filter([@Putendaten_EinstallDaten], DurchgangsID.ID=CalId)

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LukasR 16 on at

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@CNTI'm sorry, it's so difficult with me!

This still doesn't work. I get the error message that the Name DurchgangsID.ID is not valid and it doesn't recognize the identifier. I double checked the column name "DurchgangsID" in "Putendaten_Einstalldaten" and there is an "ID" in the lookedup list "Putendaten_Durchgang".

I somehow think, I have to filter the Putendaten_Durchgang list. Isn't that the correct record i want to get???

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