Difference between ASP and ASP.Net

ASP session state is dependent on IIS process very heavily. So if IIS restarts ASP session variables are also recycled	ASP.NET session can be independent of the hosting environment thus ASP.NET session can maintained even if IIS reboots.
ASP session only works when browser supports cookies	ASP.NET session can be used with browser side cookies or independent of it.
ASP session state has no inherent solution to work with Web Farms	ASP.NET session can be stored in state server and SQL SERVER which can support multiple servers.
ASP is interpreated	ASP.Net is complied
ASP uses ADO	ASP.Net uses ADO.Net
ASP, there was no server controls. You have to write all html tags manually	ASP.NET offers a very rich set of controls called Server Controls and Html Controls. It is very easy to drag and drop any controls to a web form
ASP uses vb script for server side coding. Vb Script is not supported any more in ASP.NET	nstead, ASP.NET supports more languages including C#, VB.NET, J# etc.
ASP did not support Page level transactions	SP.NET supports Page level transactions
ASP does not offer support for Web Services and rich data structures like DataSet which allows disconnected data processing.	ASP.NET offers support for Web Services and rich data structures like DataSet which allows disconnected data processing.
ASP had maximum of 4 built in classes like Request, Response, Session and Application	ASP.NET using .NET framework classes which has more than 2000 in built classes
ASP has Mixed HTML and coding logic	Separate code and design logic possible
Limited development and debugging tools available	Variety of compilers and tools available including the Visual studio.Net
No in-built support for XML	Full XML Support for easy data exchange
No fully distributed data source support.	Fully distributed data source support
Poor Error handling system	Full proof error handling possible
Limited OOPS support	Completely Object Oriented.