Adventures in VBScript

1
Adventures in VBScript

• Session 2

2
Windows Scripting

• http//msdn.microsoft.com/library/default.asp?url
  /nhp/Default.asp?contentid28001169

3
JavaScript URL

• http//wp.netscape.com/eng/mozilla/3.0/handbook/ja
  vascript/index.html

4
An IIS Application

• Configuration is set inside IIS
• Can be the website itself or a virtual directory
  inside the website
• Can have a global.asa file

5
A Simple HTML Web Page (vbexample.htm)

• lthtmlgt
• ltheadgt
• lt/headgt
• ltbodygt
• Hello there!
• lt/bodygt
• lt/htmlgt

6
Same Page in VBScript x 2

• lt_at_language "VBScript"gt
• lt
• response.write ("lthtmlgt")
• response.write("ltheadgtlt/headgt")
• response.write("ltbodygt")
• response.write("Hello there!")
• response.write("lt/bodygtlt/htmlgt")
• gt

• lt_at_language "VBScript"gt
• lthtmlgt
• ltheadgtlt/headgt
• ltbodygt
• lt
• response.write("Hello there!")
• gt
• lt/bodygt
• lt/htmlgt

7
ASP Page as a Program

• lt_at_language "VBScript"gt
• lt
• response.write ("lthtmlgt")
• response.write("ltheadgtlt/headgt")
• response.write("ltbodygt")
• response.write("Hello there!")
• response.write("lt/bodygtlt/htmlgt")
• gt

8
ASP Page as HTML Page

• lt_at_language "VBScript"gt
• lthtmlgt
• ltheadgtlt/headgt
• ltbodygt
• lt
• response.write("Hello there!")
• gt
• lt/bodygt
• lt/htmlgt

9
Why ASP?

• The web page is dynamic!

10
A Dynamic Page

• lt_at_LANGUAGE"VBSCRIPT" gt
• lthtmlgt
• ltheadgt
• lttitlegtTime Pagelt/titlegt
• lt/headgt
• ltbodygt
• The current (server) time is lttime()gt
• lt/bodygt
• lt/htmlgt

11
HTML in VBScript

• Any HTML code that the VB executor encounters is
  output directly to the resultant HTML page

12
The Global.ASA File

• A special ASP page
• Allows for application startup and shutdown
  procedures
• Allows for session startup and shutdown
  procedures

13
An Example Global.ASA

• ltSCRIPT LANGUAGEVBScript RUNATServergt
• Sub Application_OnStart
• 'application startup code goes here
• end sub
• Sub Application_OnEnd
• 'application shutdown code goes here
• end sub
• Sub Session_OnStart
• 'session startup code goes here
• End Sub
• Sub Session_OnStart
• 'session shutdown code goes here
• End Sub
• lt/SCRIPTgt

14
Two Important Objects

• Response object
• Request object

15
The Response Object

• Response.write
• Response.buffer
• Response.redirect

16
The Request Object

• Request.querystring
• Request.form