As far I remember the ajax control toolkit have a tab control out of the box, take a look to this control and see if that´s what you are looking for.
If you plan to have more control over the tabs you can use a jquery UI control but you will have more work to do.
You can create tabs using bootstrap as well, take a look to this question and this is a working example as well.
Everything depends on the requirements that you have and the functionality you want to put in place and which technology you feel more comfortable.