Syncfusion Generate License Key Upd Jun 2026

Integrate license key injection into your deployment pipeline so that keys can be updated easily without altering the application source code.

: No license key has been registered, or a trial key has expired after 30 days.

To check whether your application is using licensed or trial assemblies: navigate to the build output directory, locate the Syncfusion assemblies, right‑click → Properties → Details tab. If the File Description includes , it's a trial version. If it does not include “LR”, it's a licensed version.

Note: Renewal does not automatically update the key in your code. You must manually replace the old key. syncfusion generate license key upd

Always remember:

After purchasing a Syncfusion license, you must upgrade from the trial version:

: If you see a licensing popup after updating, verify that the key version matches the first two digits of your NuGet package version (e.g., Version 25.x.x packages require a Version 25 license key). Build Servers If the File Description includes , it's a trial version

Syncfusion has completely revamped its license key generation process. Starting with version 31.1.17, you no longer generate keys for specific platforms like ASP.NET Core or Blazor. Instead, keys are generated for of Essential Studio.

In the pop-up, select the latest version (e.g., v24.x for 2026 release cycle or the specific v31+ version).

If your subscription has renewed but your old key is still showing as expired, you need to again. You must manually replace the old key

Console.WriteLine("License is valid: " + message);

The RegisterLicense method is called after a Syncfusion component has already been initialized or rendered.

Click "Get License Key" to display your new string. 3. Registering the Key in Your App Overview of Syncfusion license generation

There are several reasons why you may need to update your Syncfusion license key: