ASP

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ASP Web Programming Class

• Ravi Anand

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ASP Active Server Pages
What is ASP?
What is ASP? - Microsoft Technology - Can
Run using IIS/PWS/Others - Helps us create
dynamic sites - HTML is static, ASP is
dynamic - Ability to connect to web services,
Databases, Server side components -
Simple, Secure, Fast
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ASP Active Server Pages
An ASP Page
- Has a .asp extension - Can be edited using
Notepad - Needs no compilation - Scripting
typically done in vbscript - ASP pages are
rendered as HTML pages - Also contains HTML, XML
, client side scripts
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ASP Active Server Pages
Running An ASP Page

• On Your desktop
• Install PWS on Windows 98
• Install IIS on 2000 /XP
• On your Server
• Typically 2003/ 2000 running IIS
• All it needs is a webserver capable of running
  ASP

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ASP Active Server Pages
An ASP Page
lthtmlgt ltbodygt lt Response.Write("Hello World!")
gt lt/bodygt lthtmlgt
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ASP Active Server Pages
ASP Scripting Languages

• Default Scripting Language is vbscript
• Can also use other scripting languages
• such as javascript, PERL, etc
• The script is executed on the server
• Server should have the script Engine
• Browser only gets an HTML ouput

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ASP Active Server Pages
Creating an ASP PAGE (using vbscript)

• Fundamentals
• Variables
• Loops
• Conditional Statements

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ASP Active Server Pages
Creating an ASP PAGE -2

• Scope Application, Session , function/sub
  routine
• Declaring a Variable
• lt dim x gt
• Refer Example 2
• Declaring Arrays
• Dim students(6)
• - Refer Example 3

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ASP Active Server Pages
Creating an ASP PAGE - 3

• Dynamic Content
• Create HTML dynamically
• Eg.Tables / Rows
• Refer Example 4 , 5

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ASP Active Server Pages
Creating an ASP PAGE - 4

• - Writing routines
• sub Add2Numbers(int1 , int2)
• response.write(int1 int2)
• end sub

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ASP Active Server Pages
Creating an ASP Form
ltform name Action METHODPOSTGETgt lt/formgt
Example 8 , 9
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ASP Active Server Pages
Handling cookies

• -Write to a cookie
• -Reading from a cookie

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ASP Active Server Pages
Response Object

• -Send output to the user from the server

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ASP Active Server Pages
Request Object

• -Get information from the user

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ASP Active Server Pages
Session Object

• -Store information related to a user session
• E.g. Data Retrieved, Authentication , Error
  Information
• Data that will be used across the Screens in the
  same session
• Storing Info in a Session Variable
• Session(AccountNumber")ABCDE1234"
• Session(Location")Macomb
• Retrieving info from a Session
• Response.Write(Session(AccountNumber"))gt

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ASP Active Server Pages
Application Object

• To group the files in an application

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ASP Active Server Pages
Server Object

• -To access properties and methods on the server.

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ASP Active Server Pages
Error Object

• -Information of any error that
• occurs in scripts in an ASP page

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ASP Active Server Pages
Global.asa
ltscript language"vbscript" runat"server"gt sub
Application_OnStart 'some code end sub Sub
Application_OnEnd 'some code end Sub sub
Session_OnStart 'some code end sub sub
Session_OnEnd 'some code end sublt/scriptgt