Syncfusion Generate License Key Upd | Free & Direct

Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("KEY"); App.xaml.cs constructor

Return to the Syncfusion portal. Generate a new key matching the exact major version of your updated packages. 3. Replace the Old Key

To check whether your application is using licensed or trial assemblies: navigate to the build output directory, locate the Syncfusion assemblies, right‑click → Properties → Details tab. If the File Description includes , it's a trial version. If it does not include “LR”, it's a licensed version. syncfusion generate license key upd

Since the introduction of new licensing models (v31.1.17+), Syncfusion license keys are structured differently.

A single key generated for a specific version works across all supported platforms (Blazor, Flutter, Angular, React, .NET MAUI, etc.) for that version. Syncfusion

If you're using licensed NuGet packages (from a licensed installer, not from nuget.org), no license key registration is required at all—simply update the packages and rebuild.

Place the registration code inside the main() function of your main.dart file. Replace the Old Key To check whether your

Build tools often cache old builds. If you updated the key but still see the error, perform a clean build: Run dotnet clean and dotnet build .