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Get error in the update after changing the items

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Posted on by Hanan-khamissy

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In power apps in one of the Form's card i have a combobox and when i change the items in the combobox the Update property of the card switch to error

In the initial situation ( correct one) it was:

Combobox (inside the card):

Items: Choices('Action (IMACD_Transactions)')

In the card:

Update : DataCardValue71.Selected.Value

After changing the Items:

Combobox (inside the card):

Items:["Leaver","Joiner","Mover"]

In the card:

Update : DataCardValue71.Selected.Value

Why I get error in the Update after changing the items?

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Power Apps Pro Dev & ISV

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jrletner 720 Super User 2025 Season 2 on at

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The error in the Update property of the card is likely occurring because of the change in the Items property of the ComboBox.

Initially, Items was set to Choices('Action (IMACD_Transactions)'), which returned records with a .Value property.

However, when you changed Items to a list of strings ["Leaver", "Joiner", "Mover"], these items no longer have a .Value property, which causes the DataCardValue71.Selected.Value reference to break.

Change the Update property to:

DataCardValue71.Selected

Since ["Leaver", "Joiner", "Mover"] is a plain list of strings, DataCardValue71.Selected will return the selected string directly.

Hope that helps solve your issue.

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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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If you are using Choices columns modify your selections in your data source not in the form.

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WarrenBelz 153,026 Most Valuable Professional on at

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Hi Hanan-khamissy

Just to clarify

["Leaver","Joiner","Mover"]

certainly returns an output of .Value, however you seem to be missing a field in this
Choices('Action (IMACD_Transactions)')

as the syntax is Choices(ListName.FieldName). What is the field name and type you are accessing here and is it single or multiple value ?

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Hanan-khamissy 140 on at

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Thank you @jrletner for your answer

I tried this but unfortunately still have error!

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Hanan-khamissy 140 on at

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Hi WarrenBelz

In this syntex :
Choices('Action (IMACD_Transactions)')

Action is the field name and it works without any errors

but when i change it to :

["Leaver","Joiner","Mover"]

then i get error in the Update syntex:

DataCardValue71.Selected.Value

while DataCardValue71 in the combobox name that i changed it's items

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WarrenBelz 153,026 Most Valuable Professional on at

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You did not answer the questions I asked - I need this information to try to understand what the issue may be.

What is the field name and type you are accessing here and is it single or multiple value ?
Also that does not appear to be a valid Choices syntax as per my previous comment.

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Hanan-khamissy 140 on at

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the field name: Action

type: choice

single value

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WarrenBelz 153,026 Most Valuable Professional on at

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I assume you are using SharePoint here (you have not stated your Data Source type) - if the Items of the single choice Combo Box DataCardValue71 is
["Leaver", "Joiner", "Mover"]

and you are writing back to a single value Choice field Action then the Update of the Data Card can be either
DataCardValue71.Selected

or
{Value: DataCardValue71.Selected.Value}

and the DefaultSelectedItems of DataCardValue71 would be
ThisItem.Action

or
{Value: ThisItem.Action.Value}

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Hanan-khamissy 140 on at

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My database is dataverse not sharepoint

I tried it but still have error

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WarrenBelz 153,026 Most Valuable Professional on at

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It is always very good to mention your data source in your initial post. I will leave this to others as I do not use Dataverse.

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