Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense( "YOUR_NEW_KEY_HERE" Use code with caution. Copied to clipboard JavaScript (React, Angular, Vue) In your main entry file (e.g., javascript registerLicense '@syncfusion/ej2-base' ; registerLicense( 'YOUR_NEW_KEY_HERE' Use code with caution. Copied to clipboard SyncfusionLicense.registerLicense( YOUR_NEW_KEY_HERE Use code with caution. Copied to clipboard Important Notes for Updates Version Mismatch

namespace MyWinFormsApp

(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 requires you to register the key programmatically at the application entry point. This process varies slightly by platform.

public Form1() Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_NEW_LICENSE_KEY_HERE"); InitializeComponent(); Use code with caution. Troubleshooting Common Issues