In Startup.cs or Program.cs of the API:
Sometimes, caching mechanisms keep serving older configurations or components that trigger the licensing warning even after you insert the correct key.
Q: What if my trial license key is no longer valid? A: If your trial license key is no longer valid, regenerate it from your Syncfusion account or contact Syncfusion support. syncfusion trial license key fix
Are you seeing a disruptive watermark, a popup warning, or a console error saying your Syncfusion license key is invalid or missing?
The "Syncfusion trial license key fix" is version-sensitive. In Startup
To give you the most accurate solution, I can help you with:
Register the license at the very top of your main entry file: javascript Are you seeing a disruptive watermark, a popup
public void ConfigureServices(IServiceCollection services)
// Add this before builder.Build() Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_ACTUAL_LICENSE_KEY_HERE"); Use code with caution. For ASP.NET MVC / WebForms
To fix Syncfusion trial license key issues (like the persistent "Created with a trial version" watermark or "Invalid License" errors), follow these steps to ensure the key is correctly registered in your application. 1. Generate the Correct Key