Duplicate Detection in Power Apps

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Posted on by Jaleelford_123

Hello Team,

Good Day!

I have a customized Power Apps, i have created a duplicate detection for two Datacards. 1. Document number and 2. Check Number. I used lookup formula when the Datacard is saved. On select option for the submit button the below formula used but it is showing a warning message. If(IsBlank(LookUp('Europe Manual Check Request',DataCardValue18.Text = 'Document number', LookUp('Europe Manual Check Request',DataCardValue11.Text = 'Check number')), SubmitForm(SharePointForm1), Set(showDialogue,true)))

Pls help me. Refer screenshot below -

Duplicate detection.JPG

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Building Power Apps

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WarrenBelz 156,386 Most Valuable Professional on at

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Hi @Jaleelford_123 ,

Is this the outcome you are expecting?

If( IsBlank( LookUp( 'Europe Manual Check Request', DataCardValue18.Text = 'Document number' && DataCardValue11.Text = 'Check number' ).'Document number' ), SubmitForm(SharePointForm1), Set(showDialogue,true) )

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Jaleelford_123 36 on at

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Thanks for responding. Im expecting the same outcome.
Even after applying the condition you have given, error showing on the Submit button. Pls help me rectify the same. Pls refer screenshot for your reference.

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WarrenBelz 156,386 Most Valuable Professional on at

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@Jaleelford_123 ,

What does the error say - I cannot see one marked in the code you posted (and the syntax is correct)

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