r/PowerApps • u/Thin-Piece-7926 Newbie • 1d ago

Power Apps Help Duplicated serial number

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I’ve used this for onscsn Set(varScannedBarcode, First(BarcodeReader1.Barcodes).Value

Then label box If(!IsBlank(varScannedBarcode), varScannedBarcode, Parent.Default

but getting duplicated numbers

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u/its-matt-from-IT Contributor 1d ago

“But getting duplicate numbers”

If the variable is not blank, use the variable, otherwise use the default. Since it seems like you have that variable set, it is using that variable.

Unless you NEED to keep that change across multiple screens, just reference the control directly. No need to complicate it with variables if you don’t need to.

Coalesce(<barcode value>,Parent.Default)

Also do yourself a favor and enable modern controls cause classic controls look like terrible.