ASP Session_OnStart and Session_OnEnd Events

Session Object Reference Manual

Definition and Usage

Session_OnStart Event

The Session_OnStart event occurs when the server creates a new session.

This event is placed in the Global.asa file.

Session_OnEnd Event

The Session_OnEnd event occurs at the end of a session. (When the session is abandoned or timed out).

This event is placed in the Global.asa file.

Note:The MapPath method cannot be used in Session_OnEnd code.

Syntax

<script language="vbscript" runat="server">
Sub Session_OnStart
... 
End Sub
Sub Session_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 current number of visitors in the ASP file:

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

Session Object Reference Manual