import registerLicense from '@syncfusion/ej2-base'; // Register Syncfusion license registerLicense('YOUR_GENERATED_LICENSE_KEY_HERE'); Use code with caution. Flutter Applications
For JS: Delete the node_modules folder and your package lock file, then run a fresh install.
| Mistake | Fix | |--------|-----| | Placing RegisterLicense after rendering components | Move it to the earliest execution point (e.g., Main , Program.cs , constructor). | | Using an old key after renewal | Always generate a fresh key—old keys expire. | | Forgetting to update all projects | In a microservices or multi-project solution, update entry point. | syncfusion generate license key upd
public App()
from the Downloads and Keys page for your target major version and edition(s). | | Using an old key after renewal
(e.g., 25.1.xx) that matches your project's installed NuGet packages. : Click the generate button and copy the resulting string. Syncfusion Step 2: Update the Key in Your Project
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR LICENSE KEY"); from v24.1.0.47 to v24.1.0.55)
using Syncfusion.Licensing;
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR LICENSE KEY"); InitializeComponent();
If you are updating within the same volume release (e.g., from v24.1.0.47 to v24.1.0.55), you do not need to regenerate the license key. 2. How to Generate a Syncfusion License Key