Syncfusion Trial License Key Fix !!better!! Official
Syncfusion license validation happens completely offline at runtime. Your application does not need an internet connection to verify a license, and a properly registered app can be deployed on any offline system.
Having mismatched versions is a primary cause for stubborn trial popups. syncfusion trial license key fix
Sometimes old build artifacts keep the trial banner alive. Clean your solution, delete the bin and obj folders, and rebuild. delete the bin and obj folders