ASP.net Run code page close

Hi

Is there an event that runs when the user either closes a page or their internet browser?

I tried the following two events and my code didn't run when I closed the page or browser

    Private Sub TT_Registration_Disposed(sender As Object, e As System.EventArgs) Handles Me.Disposed
        MsgBox("Test")
    End Sub
   Private Sub TT_Registration_Unload(sender As Object, e As System.EventArgs) Handles Me.Unload
    MsgBox("Test")
    End Sub
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAsked:
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Prakash SamariyaIT ProfessionalCommented:
You have to use javascript function and call on browser unload or before unload event like
<body onbeforeunload="return myFunction()">

<script>function myFunction(){
//Your code to request codebehind to perform some action
//User can call (ajax) request to server
}
</script>

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks
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