Execute server side code on close of a browser

Anuj Khadloya

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26 Jun 2010CPOL

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This article provides a solution to the age-long question of "How do I execute some server side code when my browser is closed?". The answer to this question is AJAX.

To start with create a new asp.net page and add an instance of the ScriptManager to it. Now configure the ScriptManager to enable calling of page methods marked with WebMethod attribute.

<asp:scriptmanager id="Scriptmanager1" runat="server" enablepagemethods="true" xmlns:asp="#unknown"></asp:scriptmanager>

The next step is to create a web method on the server. The method needs to be marked with the WebMethod attributte.

[WebMethod]
public static void BrowserCloseMethod()
{
    // Write Custom Code
    HttpContext.Current.Session.Abandon();
}

Finally call the server method on closing the client browser window. Add a javascript method and call this method when the unload event for body of the browser is called.

<script language="javascript" type="text/javascript">
function Browser_Close() 
{
	PageMethods.BrowserCloseMethod();
}
</script>

<body onunload="Browser_Close()"></body>