Key - Syncfusion Generate License

| Error Message | Solution | |---------------|----------| | "License key not found" | You forgot to call RegisterLicense() before the first Syncfusion control loads. | | "Invalid license key" | Copy-paste the key – no extra spaces or line breaks. | | "Trial expired" | Your generated key is expired or you are using an older version. Generate a new key and update Syncfusion NuGet packages. | | "License key is for a different platform" | Generate a new key specifically for your platform (if using old-style platform-specific keys). |

: You must use a key that matches the major version of the Syncfusion assemblies you are using (e.g., a version 21.x key will not work for version 22.x assemblies) . syncfusion generate license key

: If you do not have an active internet connection during development, the license key still validates locally once it is hardcoded into your project. How to Register the Key | Error Message | Solution | |---------------|----------| |