ASP.NET vs. ASP
ASP.NET has better language support, a large set of new controls, XML-based
components, and better user authentication.
ASP.NET provides increased performance by running compiled code.
ASP.NET code is not fully backward compatible with ASP.
New in ASP.NET
- Better language support
- Programmable controls
- Event-driven programming
- XML-based components
- User authentication, with accounts and roles
- Higher scalability
- Increased performance - Compiled code
- Easier configuration and deployment
- Not fully ASP compatible
Language Support
ASP.NET uses ADO.NET.
ASP.NET supports full Visual Basic, not VBScript.
ASP.NET supports C# (C sharp) and C++.
ASP.NET supports JScript.
ASP.NET Controls
ASP.NET contains a large set of HTML controls. Almost all
HTML elements on a page can be defined as ASP.NET control objects that can be
controlled by scripts.
ASP.NET also contains a new set of object-oriented input controls, like programmable list-boxes and validation controls.
A new data grid control supports sorting,
data paging, and everything you can expect from a dataset control.
Event Aware Controls
All ASP.NET objects on a Web page can expose events that can be processed by
ASP.NET code.
Load, Click and Change events handled by code makes
coding much simpler and much better organized.
ASP.NET Components
ASP.NET components are heavily based on XML. Like the new AD Rotator, that
uses XML to store advertisement information and configuration.
User Authentication
ASP.NET supports form-based user authentication, cookie management,
and automatic redirecting
of unauthorized logins.
User Accounts and Roles
ASP.NET allows user accounts and roles, to give each user (with a given
role) access to different server code and executables.
High Scalability
Much has been done with ASP.NET to provide greater scalability.
Server-to-server communication has been greatly enhanced, making it possible
to scale an application over several servers. One example of this is the ability
to run XML parsers, XSL transformations and even resource hungry session objects
on other servers.
Compiled Code
The first request for an ASP.NET page on the server will compile the ASP.NET code
and keep a cached copy in memory. The result of this is greatly increased
performance.
Easy Configuration
Configuration of ASP.NET is done with plain text files.
Configuration files
can be uploaded or changed while the application is running. No need to restart
the server. No more metabase or registry puzzle.
Easy Deployment
No more server-restart to deploy or replace compiled code. ASP.NET simply
redirects all new requests to the new code.
Compatibility
ASP.NET is not fully compatible with earlier versions of ASP, so most of the old ASP
code will need some changes to run under ASP.NET.
To overcome this problem, ASP.NET uses a new file extension ".aspx".
This will make ASP.NET applications able to run side by side with standard ASP
applications on the same server.
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