The ASP.NET new feature supports are shown below :-

Better Language Support

1) The New ADO.NET Concepts have been implemented.

2) The ASP.NET supports complete  language (C#, VB.NET, C++) and not simple scripting such as VBSCRIPT.

Better controls than ASP

1)The ASP.NET covers large set's of HTML controls.

2)Better Display grid such as   Repeater ,Datagrid and datalist.Most of the display grids have paging support.

Controls have events support

1)All the ASP.NET controls support events.

2)The Click ,Load, and Change events handled by code makes coding much simpler & much better organized.

Compiled Code

The very first request for an ASP.NET page on the server will compile the ASP.NET code &  keep a cached copy in the memory. This  result  is greatly increased performance.

Better Authentication Support

The ASP.NET supports forms-based user authentication, including the cookie management &  automatic redirecting of the unauthorized logins.

User Accounts and Roles

The ASP.NET allows the  user accounts and roles, to give each user (with a given role) access to various  server code and executables.

High Scalability

1) Much has been completed  with the ASP.NET to provide greater scalability.

2) The Server to server communication has been greatly enhanced, making it possible to scale an application over various servers. One of the example of this is the ability to run XML parsers, XSL transformations and even resource hungry session objects on other servers.

Easy Configuration

1) The Configuration of the ASP.NET is done with plain text files.

2) The Configuration files can be uploaded or changed while the application is running. There is no need to restart the server. No more metabase or registry puzzle.

Easy Deployment

No more server restart to deploy/ replace compiled code. The ASP.NET simply redirects all the new requests to the new code.