Sometimes, the development server caches the old "trial" state. After applying the key, perform a Clean and Rebuild of your solution and clear your browser cache.
import registerLicense from '@syncfusion/ej2-base'; // Register Syncfusion license registerLicense('YOUR_TRIAL_KEY_HERE'); Use code with caution.
The key is for an older or newer version than the NuGet packages you've installed. syncfusion trial license key fix
The key was generated for the wrong platform (e.g., using a WinForms key in a Blazor project). Step-by-Step Fix: How to Resolve the License Issue
For production apps, never hardcode the key. Pull it from a secure vault. Sometimes, the development server caches the old "trial"
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_LICENSE_KEY_HERE"); InitializeComponent();
var licenseKey = builder.Configuration.GetValue ("SyncfusionKey"); Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense(licenseKey); Use code with caution. Automate Key Rotation via CI/CD The key is for an older or newer
When you download and install Syncfusion components, you're presented with a trial license key that expires after a certain period (usually 30 days). During this trial period, you can use the components for evaluation purposes. However, once the trial period expires, you'll encounter the following limitations:
Then in Program.cs :