ASP.NET vs ASP

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Table of contents

ASP.NET Tutorial
.NET HOME
.NET Intro
.NET vs ASP
.NET Install
.NET Pages
.NET Controls
.NET Events
ASP.NET Forms
.NET Forms
.NET ViewState
asp:TextBox
asp:Button
ASP.NET Binding
Data Binding
ArrayList
Hashtable
SortedList
XML Files
asp:Repeater
asp:DataList
ASP.NET Database
.NET DB Connection
ASP.NET 2.0
2.0 New Features
2.0 Master Pages
2.0 Navigation
References
HTML Controls
Web Controls
Validation Controls
Examples
ASP.NET Examples

Selected Reading

Web Statistics
Web Glossary
Web Hosting
Web Quality
W3Schools Tutorials
W3Schools Forum
Helping W3Schools

# Differences between ASP and ASP.NET

ASP.NET has better language support, a large set of new controls and 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 the new ADO.NET.

ASP.NET supports full Visual Basic, not VBScript.

ASP.NET supports C# (C sharp) and C++.

ASP.NET supports JScript as before.

## 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 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 forms-based user authentication, including cookie management and automatic redirecting of unauthorized logins.

(You can still do your custom login page and custom user checking).

## User Accounts and Roles

ASP.NET allows for 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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The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.

The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM.

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The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.

The PHP Certificate is for developers who want to document their knowledge of PHP and SQL (MySQL).

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