The 30‑day trial period is over.
Console.WriteLine("License invalid: " + message);
// appsettings.json
For modern projects (v31.x or higher), select the latest version. Select v31.x or higher. syncfusion generate license key
Syncfusion requires a license key for versions 16.2 and newer. This key unlocks the components during runtime and prevents evaluation pop-ups from appearing in your user interface. Key Characteristics of Syncfusion License Keys
For scenarios where you don't want to store the license key directly in code (e.g., CI/CD pipelines), you can use an environment variable.
This is the most common error. The version of the NuGet, NPM, or Pub package you installed does not match the version selected when generating the key on the Syncfusion dashboard. The 30‑day trial period is over
He refreshed the production dashboard.
: This error typically occurs due to a version mismatch or if the key is invalid for your specific product.
For .NET 6/8/9/10 applications, the registration typically occurs in the Program.cs file. Syncfusion requires a license key for versions 16
Syncfusion is a well-known software development company that provides a wide range of .NET and JavaScript components for building robust, feature-rich applications. In this review, we'll focus on their license key generation process, specifically designed to help developers and organizations manage their Syncfusion product licenses efficiently.
Syncfusion, a leading provider of enterprise-grade UI components, introduced a new licensing system starting with version 16.2.0.x of Essential Studio. These modifications apply to all evaluators and to paid customers who use packages from public feeds like NuGet.org or npm. Starting with v16.2.0.x, if you reference Syncfusion assemblies from the evaluation installer or the NuGet feed, you must also include a corresponding license key in your projects.
If you purchased a license before v31.x.x, Syncfusion strongly advises you to select all five editions (UI, Document SDK, PDF Viewer SDK, DOCX Editor SDK, Spreadsheet Editor SDK) when generating a key for v31.x.x or higher. Your application might be using controls or libraries from all of them. If you select only the UI edition, your document‑processing features will still work because of backward‑compatibility, but the official recommendation is to select all to avoid any future surprises.
Refer to Syncfusion’s JavaScript licensing documentation for framework‑specific examples.