In my ASP tutorial you will learn about ASP, and how to execute scripts on your server.

ASP Tutorial: Introduction to ASP

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!