>JQueryUI gives you lots of controls for free and is always my first stop for widgets. JQuery is becoming somewhat of a standard to make javascript functionality easier. JQueryUI is a set of widgets (they aren't called controls in the web world) for doing much of the normal things you may need (dialogs, calendars, menus, progressbars, drag/drop, etc). There is also the DataTable plugin for JQuery that I use quite a bit. Then you add to that things like CSS frameworks to style everything.
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>If I can't find what I need there, I go with ComponentOne's Wijmo controls because they build on top of JQuery and JQueryUI rather than duplicate and replace some of that, which is what Telerik controls do.
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>Web development is a VERY different animal than VFP. There is a pretty steep learning curve (HTML, Javascript, JQuery, JQueryUI, CSS, AJAX, JSON), plus all the backend stuff (MVC, EF, etc) plus all the other third party stuff plus the actual server (IIS). I've had times of lots of frustration because I couldn't get things to work due to all the different technologies that have to work together. But overall, I really like web development.

Thank you for the information. I was somehow the impression that when using ASP MVC you don't really need to deal with Javascript etc? I thought ASP MVC is somehow like ASP.NET webforms, only much easier to manage, but I think I have to really work with it for a while to get the whole picture.