ASP Introduction

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Table of contents

ASP Tutorial
ASP HOME
ASP Introduction
ASP Install
ASP Syntax
ASP Variables
ASP Procedures
ASP Forms
ASP Cookies
ASP Session
ASP Application
ASP #include
ASP Global.asa
ASP Send e-mail
ASP Objects
ASP Response
ASP Request
ASP Application
ASP Session
ASP Server
ASP Error
ASP FileSystem
ASP TextStream
ASP Drive
ASP File
ASP Folder
ASP Dictionary
ASP ADO
ASP Components
ASP AdRotator
ASP BrowserCap
ASP Content Linking
ASP Content Rotator
ASP Quick Ref
ASP Summary
Examples/Quiz
ASP Examples
ASP Quiz
ASP Exam

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# Introduction to ASP

An ASP file can contain text, HTML tags and scripts. Scripts in an ASP file are executed on the server

## What you should already know

Before you continue you should have some basic understanding of the following:

- HTML / XHTML
- A scripting language like JavaScript or VBScript

If you want to study these subjects first, find the tutorials on our Home page.

## What is ASP?

- ASP stands for Active Server Pages
- ASP is a program that runs inside IIS
- IIS stands for Internet Information Services
- IIS comes as a free component with Windows 2000
- IIS is also a part of the Windows NT 4.0 Option Pack
- The Option Pack can be downloaded from Microsoft
- PWS is a smaller - but fully functional - version of IIS
- PWS can be found on your Windows 95/98 CD

## ASP Compatibility

- ASP is a Microsoft Technology
- To run IIS you must have Windows NT 4.0 or later
- To run PWS you must have Windows 95 or later
- ChiliASP is a technology that runs ASP without Windows OS
- InstantASP is another technology that runs ASP without Windows

## What is an ASP File?

- An ASP file is just the same as an HTML file
- An ASP file can contain text, HTML, XML, and scripts
- Scripts in an ASP file are executed on the server
- An ASP file has the file extension ".asp"

## How Does ASP Differ from HTML?

- When a browser requests an HTML file, the server returns the file
- When a browser requests an ASP file, IIS passes the request to the ASP engine. The ASP engine reads the ASP file, line by line, and executes the scripts in the file. Finally, the ASP file is returned to the browser as plain HTML

## What can ASP do for you?

- Dynamically edit, change or add any content of a Web page
- Respond to user queries or data submitted from HTML forms
- Access any data or databases and return the results to a browser
- Customize a Web page to make it more useful for individual users
- The advantages of using ASP instead of CGI and Perl, are those of simplicity and speed
- Provide security since your ASP code can not be viewed from the browser
- Clever ASP programming can minimize the network traffic

Important: Because the scripts are executed on the server, the browser that displays the ASP file does not need to support scripting at all!

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