npm install @syncfusion/ej2-base --save
Place it in Program.cs inside the Main() method, before Application.Run() . syncfusion trial license key
A: Most likely, your system clock changed, or you updated Syncfusion packages. Also, if your 30 days expired at midnight UTC, the key becomes invalid instantly. The between the trial key and a paid
The between the trial key and a paid key is the expiration date. A paid key is essentially a "trial key with a 100-year expiration and legal transfer rights." Part 8: Frequently Asked Questions Q: Can I use the Syncfusion trial license key in production? A: Absolutely not. The trial license agreement explicitly forbids production use. It is for evaluation and development only. Using a trial key in a live customer-facing application is a violation of terms and could result in legal action. before Application.Run() . A: Most likely
static void Main()
| Feature | Trial License Key | Production (Paid) License Key | | :--- | :--- | :--- | | | Same as paid version | Same as trial version | | Functional Limits | None (full features) | None | | Watermarks/Popups | None (if registered and within 30 days) | None | | Expiration | Yes (30 days from generation) | No (Perpetual for that major version) | | Support | Standard community forum | Priority support + ticketing | | Deployment Rights | Development/evaluation only | Global production use |