Differences between asp and asp.net?

ASP.NET comes with
Object oriented
Event driven
Mixture of multiple languages Visual Basic, C#, and JScript
Makes compiled code(except if on first time)
with *.aspx,asmx,ascx extension
contains over 3400 classes
XML-friendly
validation objects
debugging feature (gift)

Importantly we cannot share session data across ASP and ASPx pages . Both the calls get executed in different processes.