ASP Application_OnStart and Application_OnEnd events

Application Object Reference Manual

Definition and Usage

Application_OnStart event

The Application_OnStart event occurs before the first new session is created (when the Application object is referenced for the first time).

This event is placed in the Global.asa file.

Note:An error occurs when referencing the Session, Request, or Response objects in the Application_OnStart event script.

Application_OnEnd event

The Application_OnEnd event occurs at the end of the application (when the web server stops running).

This event is placed in the Global.asa file.

Note:The MapPath method cannot be used in the Application_OnEnd code.

Syntax

<script language="vbscript" runat="server">
Sub Application_OnStart
... 
End Sub
Sub Application_OnEnd
... 
End Sub
</script>

Instance

Global.asa:

<script language="vbscript" runat="server">
Sub Application_OnEnd()
Application("totvisitors")=Application("visitors")
End Sub
Sub Application_OnStart
Application("visitors")=0
End Sub
Sub Session_OnStart
Application.Lock
Application("visitors")=Application("visitors")+1
Application.UnLock
End Sub
Sub Session_OnEnd
Application.Lock
Application("visitors")=Application("visitors")-1
Application.UnLock
End Sub
</script>

Display the number of current visitors in ASP files:

<html>
<head>
</head>
<body>
<p>
There are <%response.write(Application("visitors"))%> visitors online now!
online now!
</p>
</body>
</html>

Application Object Reference Manual