| Vendor | Namespace | Additional Requirements | |--------|-----------|--------------------------| | Telerik | Telerik.Licensing | Must call before any Telerik control is instantiated. | | DevExpress | DevExpress.Data | Also requires adding a license file for design-time. | | Syncfusion | Syncfusion.Licensing | Use SyncfusionLicenseProvider.RegisterLicense() instead. | | GrapeCity (ComponentOne) | C1.Licensing | Use C1License.SetLicenseKey() . |
using Telerik.Licensing; public class Program
else
// Custom internal implementation LicenseInfo.SetLicenseKey(string productName, string licenseKey);
string? licenseKey = Environment.GetEnvironmentVariable("UI_LICENSE_KEY"); if (!string.IsNullOrEmpty(licenseKey))
throw new InvalidOperationException("License key not found in environment.");