Syncfusion ASP.NET MVC — License Registration

Concise guidance for license generation, registration, and best practices for ASP.NET MVC applications. Detailed troubleshooting steps, secure storage patterns, and code examples live in references.

When to Use

• Registering or updating Syncfusion license keys for ASP.NET MVC EJ2
• Troubleshooting license validation, version, or platform mismatches
• Configuring license registration for build servers and CI/CD pipelines
• Securing license keys in production environments
• Upgrading from trial to production licenses

Key Points for ASP.NET MVC

License Registration Location

• File: Global.asax.cs or Global.asax.vb
• Method: Application_Start()
• Timing: Must execute BEFORE any Syncfusion control initialization

Platform-Specific Requirements

• Package: License key must match Syncfusion.EJ2.MVC5 version
• Licensing NuGet: Ensure Syncfusion.Licensing NuGet is installed and matches Syncfusion package version
• No Web.config: License is NOT stored in Web.config; register programmatically only

Quick Checklist

✓ Generate license key for correct Syncfusion version and ASP.NET MVC platform ✓ Register key in Global.asax Application_Start() method BEFORE control use ✓ Ensure Syncfusion.Licensing NuGet package version matches Syncfusion EJ2 version ✓ Store keys securely: Use environment variables, Azure Key Vault, or encrypted config ✓ Never commit license keys to source control ✓ Test license registration early in development ✓ Have fallback license strategy for build/CI environments

Security Best Practices

• Use environment variables: Environment.GetEnvironmentVariable("SYNCFUSION_LICENSE")
• For Azure: Store in Azure Key Vault and retrieve via managed identity
• For on-premises: Use encrypted configuration sections or secure vaults
• Rotate licenses before expiration; implement monitoring
• Document license scope (developer, production, trial) per environment

References

• License generation & claiming: [references/syncfusion-license-guide.md](references/syncfusion-license-guide.md)
• Registration & troubleshooting: [references/syncfusion-license-registration.md](references/syncfusion-license-registration.md)