Global.asax

Describe “global.asax” and Application Object in ASP.

Global.asa

The Global.asa file is an optional file
that can contain declarations of objects, variables, and methods that
can be accessed by every page in an ASP application. All valid browser
scripts (JavaScript, VBScript, JScript, PerlScript, etc.) can be used
within Global.asa.

The Global.asa file can contain only the following:

Application events

Session events

Methods

Contents.Remove            Deletes an item from the Contents collection

Contents.RemoveAll()    Deletes all items from the Contents collection

Lock       Prevents other users from modifying the variables in the Application object

Unlock Enables other users to modify the variables in the Application object (after it has been locked using the Lock method)

Events

Application_OnEnd         Occurs when all user sessions are over, and the application ends

Application_OnStart       Occurs before the first new session is created (when the Application object is first referenced)

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