To upgrade from trial version, there are two possible solutions.
NOTE
License registration is not required if you reference Syncfusion assemblies from Licensed installer. These licensing changes applicable to all evaluators who refers the Syncfusion assemblies from evaluation installer and those who use Syncfusion NuGet packages form nuget.org
License keys can be generated from the License & Downloads or Trial & Downloads section of the Syncfusion website.
Syncfusion license keys are version and platform specific, refer to the KB to generate the license key for the required version and platform. Also, refer this KB to know about which version of the Syncfusion license key should be used in the application.
Syncfusion license keys are version and platform specific, refer to the KB to generate the license key for the required version and platform. Also, refer this KB to know about which version of the Syncfusion license key should be used in the application.
Note: While using the ASP .NET Core controls with Javascript components, we need to register the license key in both Javascript way and ASP .NET core ways. Since we are using the separate validation methods, client side validation in the Javascript components and server side validation in the ASP .NET core, we need to register in both separately.