Ensure registration is in Program.cs , not in a static constructor. Also, set the environment variable:
// MUST be first line inside Main Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_TRIAL_KEY_HERE"); CreateHostBuilder(args).Build().Run(); syncfusion trial license key fix
Ensure the key matches the specific version of Syncfusion you are using (e.g., v21.x.x). A key for version 20 will not work for version 21. Implementation Placement: Ensure registration is in Program
Ensure registration is in Program.cs , not in a static constructor. Also, set the environment variable:
// MUST be first line inside Main Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_TRIAL_KEY_HERE"); CreateHostBuilder(args).Build().Run();
Ensure the key matches the specific version of Syncfusion you are using (e.g., v21.x.x). A key for version 20 will not work for version 21. Implementation Placement: