I've never used .Net for webapps, but on the desktop UI side... they're not innocent on the Next Big Thing side of things. Silverlight, WPF, that XML-based one,

I've never used .Net for webapps, but on the desktop UI side... they're not innocent on the Next Big Thing side of things. Silverlight, WPF, that XML-based one, Avalonia... I'm sure there were others. I do a Windows app about once every 3-4 years for a client and it feels like C# stays just the same but the tools for building the UI are completely different every time.