Syncfusion Trial License Key Fix Info

In .NET applications, register the license in your Program.cs file immediately after creating the builder.

var licenseKey = Environment.GetEnvironmentVariable("SYNCFUSION_LICENSE_KEY"); if (!string.IsNullOrEmpty(licenseKey))

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. syncfusion trial license key fix

Before changing your code, ensure you have a fresh, valid license key. Log into your . Navigate to License & Downloads > Downloads & Keys .

Manually delete the bin and obj folders in your project directory. Before changing your code, ensure you have a

Open Visual Studio and click Build > Rebuild Solution . Troubleshooting Checklist

For legacy .NET Framework applications, register the key inside the global application startup file. Manually delete the bin and obj folders in

: The license registration method was never called in your application startup code.

: If you're experiencing issues with your trial license, try deactivating the license (if applicable) and reactivating it. This can sometimes resolve issues related to license validation.

Syncfusion Community License (To get a free, perpetual license if you are an individual or small business)