Hi davout,
resultCallbackFunction should be called when you want to call it based on your application’s needs. It is called by your code.
The DataGrid has ‘sort’ and ‘page’ events. The ‘sort’ and ‘page’ events are documented here: https://www.htmlelements.com/docs/grid-api/.
As we pointed in a previous communication with you. We suggest you to look at this help tutorial and its implementation.: https://www.htmlelements.com/docs/angular-rxjs/
Best regards,
Peter Stoev
Smart UI Team