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Header Component Text Label

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Posted on by billf24

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Following a video from Brian Dang, I am trying to get the Text label in a Component Header to automatically populate on each new screen in my app.

In the App itself under OnStart, I have the following:
ClearCollect(colScreen,{id: 1, displayName: "New Request",screen: scrNewRequest},{id: 2, displayName: "View & Edit",screen:scrViewScreen}), where the screen name is the name of the screen in the app.

When I add the header and use the HeaderText field (created in a separate component app where I made the header),, I am using this formula: LookUp(colScreen,screen=App.ActiveScreen,displayName)

Once the formula is entered, is shows the result as Blank.

Am I missing something? I see no errors in either formulas.

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Building Power Apps

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cdwhite 1,069 Most Valuable Professional on at

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Hi @billf24 ,

I've replicated at my end and it seems to work fine.

Firstly, make sure in your collection that the screen names are properly registered. You'll know this is the case as they'll be formatted like so:

The following Lookup then works fine for me on each screen, which I think is slightly different to how you have your lookup:

As an aside, where possible try to name your screens differently, ie 'View Screen' or 'Edit Screen'. Text like 'scrViewScreen' doesn't play nicely with screen reader technologies and we should always be aiming to make our apps as accessible as possible. Check out Matt Devaney's blog on the subject.

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billf24 169 on at

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Thank you. Looks like my issue was it was working, I just need to click out of that screen then back..

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