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Set the Default of the Content Type Drop Down

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Posted on by ComputerHabit2

I am attempting to use the Content Type DDL and the Navigate functions to transition between screens. Each screen has the Content Type DDL in it but I need each of those cards to default to the name of the content type they are for.

How do I get a DDL to default to a specific value? I'm not sure if I'm supposed to default to datacard somewhere or the datacardvalue. I'd think datacardvalue.

For the datacardvalue I have tried using the default field. If I use text it gives the error : "Expected Record Value". I figure this is because its a DDL and the values are Id,Value pair.

I'm just struggling with how to get the default value. I just keep getting errors. I'm not sure the syntax I need.

Could anyone demonstrate how to default the value?

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Building Power Apps

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mdevaney 29,993 Moderator on at

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@ComputerHabit2
You must be using a Combobox instead of a Dropdown control. A Combobox requires a record as input whereas a Dropdown requires a value (text, number, etc.) as input.

To get the Content Type Combobox to default to a specific value, click on the DataCard that holds the Combobox and change the Default property to

LookUp(your_datasource_name,your_field_name="your_text_string")
I don't know what your data looks like but in psuedocode it's something like this

LookUp(myDataTable,contentType="drawings")

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I'm attemtping to use the ContentType. It appears to be a DDL.

Choices([@'QA Database'].'{ContentType}')
ComputerHabit2 on at

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I was able to set the default.
I set the DefaultSelectedValue property to:

{ '@odata.type' : "#Microsoft.Azure.Connectors.SharePoint.SPListExpandedContentType",
Id:"0x0100CC4EA32BE1FC014E9C40217D9F8B250800B6DD0C3DC4DA3E40A76B725B3FCFD053",
Value: "ContentType1"}
mdevaney 29,993 Moderator on at

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@ComputerHabit2
Good thinking! I'm glad you solved the issue.
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I'm still a little stuck. The defaultselected values are showing correctly.

When I switch between screens the ContentType selected on one form needs to be populated on the other form.

I have setup a global variable that updates whenever the content type is changed. I'm reading that through IF Statements to navigate to the correct form.

OnChange =
Set( CurrentContentType, DataCardValue1.Selected.Name);If(CurrentContentType = "ContentType1",Navigate(FormScreen1,ScreenTransition.None));If(CurrentContentType = "ContentType2",Navigate(FormScreen2,ScreenTransition.None))

This works but when I get to the other form the ContentType DDL needs to reflect what the user selected. I thought by defaulting the DefaultSelected I would always get the right value but that doesn't seem to be the case.

How do I update the default value when the other page is navigate to?