Hi Dennis,
I would suggest you to try this widget
https://appstore.home.mendix.com/link/app/105694/
https://appstore.home.mendix.com/link/app/45585/
I hope this would helps you
Thanks
Do you mean default sorting on opening the page? Or do you mean sorting by the user (By clicking on the headings)?
Can you change your retrieve to xpath? You should have more sort options when doing the retrieve via xpath.