Syncfusion Trial License Key Fix Page
Place the registration code inside your Program.cs file before building the application.
The Ultimate Guide to Fixing Syncfusion Trial License Key Errors
The most common "fix" is placing the registration code in the correct entry point of your app. For .NET (Blazor, Web Forms, MVC) syncfusion trial license key fix
import registerLicense from '@syncfusion/ej2-base' ; registerLicense( 'YOUR_KEY_HERE' ); Use code with caution. Copied to clipboard 3. Common Fixes for Licensing Errors
Place license registration correctly
Most developers lose hours because they register the key in the wrong place or forget that CI/CD machines lack the registry key. By moving your license registration to environment variables and the RegisterLicense method at the application entry point, you will never see the "Trial Expired" error again.
A: This is almost always a registration issue. Double-check your entry point, ensure the license is registered before any Syncfusion controls are used, and verify that the key's platform and version match your project. Place the registration code inside your Program
Fixing a Syncfusion trial license key issue typically involves resolving , platform inconsistencies , or registration timing . Syncfusion license keys are specific to both the major version (e.g., v23.x.x vs. v24.x.x) and the platform (e.g., Blazor vs. ASP.NET Core). Common Causes & Direct Fixes
Place this code inside the main() function of your main.dart file: Copied to clipboard 3
Syncfusion will send you a new trial license key via email. Replace the old license key with the new one in your application.
In ASP.NET Core web applications, open Program.cs and add the registration provider directly at the top of the file.