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populate default value of combo box with person using another list with a room allocation

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Posted on by RiKx

Screenshot 2023-07-03 115136.png

I'm trying to get the combo box above to populate with the default allocated person for that room based on another list (room matrix) when a room is selected in the combo box above it but i get the displayed error about incompatible comparison types.

{DisplayName: LookUp('CHEMY Room matrix', Value('Room No.'=DataCardValue11).'Room/Area Responsible Person')}

any help would be greatly appreciated

TIA

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Building Power Apps

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Bilakanti 1,226 on at

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@RiKx Change your Items property to 'CHEMY Room matrix'

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RiKx 61 on at

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Unfortunately that didn't solve it, it just listed the room numbers again...

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Bilakanti 1,226 on at

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@RiKx - Can you please change your DefaultSelectedItems property to this --> {DisplayName: LookUp('CHEMY Room matrix','Room No.'=DataCardValue11.Value)}

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RiKx 61 on at

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same again I'm afraid other that the error detail has changed to say text, error as incompat types

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developerAJ 4,763 on at

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if DataCardValue11 is dropdown
LookUp('CHEMY Room matrix','Room No.'=DataCardValue11.Selected.Value).'Room/Area Responsible Person'
if DataCardValue11 is text
LookUp('CHEMY Room matrix','Room No.'=DataCardValue11.Value).'Room/Area Responsible Person'

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RiKx 61 on at

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Hi Thanks for the reply! datacardvalue 11 is indeed a dropdown but this hasnt worked either its just showing the same selections as in 'room' dropdown selection.

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RiKx 61 on at

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got it to work by changing the items value back to Choices([@'CHEMY Room matrix'].'Room or Area RP') and changing 'Room/Area Responsible Person' to 'Room or Area RP' which is what its called in the other list.

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