Console.WriteLine("License is valid: " + message);
Once you have generated the new key, you must update it in your application to remove license messages. Registering the License Key
To get a key, you must have an active license (either a paid subscription or the Free Community License).
The exact steps depend on your Syncfusion version. Below are the current procedures for both the new edition-based system and legacy platform-based generation. syncfusion generate license key upd
: Copy the new string and replace the old one in your application's registration method (usually in Program.cs AppDelegate , or the main entry point):
The most common licensing error occurs when the license key version does not match the Syncfusion package version in use. Always ensure that:
Note: License keys are still version-specific. Ensure the key matches the version of NuGet packages or JS files you are using. 2. Step-by-Step: Generate a Syncfusion License Key Console
Then in Program.cs :
Generating the key is only half the process. You must register it in your application .
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_NEW_LICENSE_KEY_HERE"); Use code with caution. javascript Below are the current procedures for both the
Open your project in Visual Studio. Step 2: Locate the Program.cs file. Step 3: Before any Syncfusion component is used (usually at the very top of the Main method or after the builder creation), add the following line:
// Register the license key LicenseKeyValidator.Validate(licenseKey);
using Syncfusion.Licensing;
To update a key, replace the old token at the earliest execution entry point of your application before initializing any UI component. How to Generate Syncfusion License Keys for React
that provides full access without an expiration date, provided they meet specific revenue and team size criteria. Syncfusion 4. Implementation and Security Best Practices Overview of Syncfusion license generation 30 Mar 2026 —