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builder.Services.AddRazorPages(); // ... rest of your code
What of Syncfusion packages are you currently running? What specific error message or behavior are you observing?
Syncfusion keys are platform-agnostic, but old keys (pre-2020) may fail. Generate a new key from your account dashboard. Do not copy-paste from an old email.
"This application was built using a trial version of Syncfusion® Essential Studio®. Please include a valid license to permanently remove this license validation message." syncfusion trial license key fix
If you are developing an application using Syncfusion controls, encountering a license validation error can instantly halt your progress. This guide provides step-by-step instructions to resolve the error, ensuring your application runs smoothly without watermarks or popups. Why the Syncfusion License Error Occurs
If you are an individual developer or working for a small business (less than $1M USD annual revenue), you may qualify for the . This provides a free, perpetual license that removes the need to renew a "trial" every 30 days, though you will still need to update the key when you upgrade to new major versions. Summary Checklist: Match the key version to the package version. Register the key in the application's entry point.
Here is a pro tip: If you fix your trial key issue now, upgrading to a full license later requires if you use the method above. builder
If you’re just evaluating:
This guide provides step-by-step solutions to fix Syncfusion trial license key errors across different frameworks. Why Is the Trial License Warning Appearing?
Are you seeing a "Syncfusion license key is invalid" watermarked message or encountering runtime exceptions in your application? This usually happens when the trial license key is missing, registered incorrectly, or mismatched with your installed product version. "This application was built using a trial version
Clean and rebuild the solution to clear cached license warnings.
If you're using Syncfusion components for commercial purposes, it's recommended to purchase a license. This method provides a legitimate and hassle-free solution.
This provides a free, perpetual license for over 1,800+ components.
: Avoid hardcoding license keys directly into your repository source files. Pull the key from an appsettings.json file, user secrets, or system environment variables.