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Can we detect browser refresh in asp.net

Posted on 2004-10-15
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Last Modified: 2012-08-14
I am creating one project in ASP.Net using VB.Net. Is there any event that I can detect that Browser is REFRESHED. Kindly provide me the code with example. Also give code if user click BACK button of Browser and close Browser.
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Question by:nabilpk
  • 3
7 Comments
 
LVL 35

Expert Comment

by:YZlat
ID: 12319886
try Page_Load procedure:

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
   ''your code here
End Sub
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LVL 1

Expert Comment

by:srini5474
ID: 12355907
yes it is possiable to find weather the page is refreshed in asp.net as specified by YZlat
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

'in this function u can use

If Not Page.IsPostBack Then
          ' Checks weather page is loaded first time if yes it continues code witin this block
Else
        ' if page is refreshed it come to else part and u can execute the code   needed for refresh
Endif

End Sub

or u can do it like


Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

//inside this function u can use

If Page.IsPostBack Then
         // Checks weather page is refreshed or reloaded again if yes it execute the code in this part
Else
        //if page is loaded first time it execute the code in this block      
Endif
End sub

this works fine check it out

Regards,
Srini
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LVL 1

Expert Comment

by:srini5474
ID: 12356176
This code help u to detect  close browser
<html>
<head>
<Script>
function onClose(){
if(window.screenTop>10000){
alert("Good Bye , visit us soon !")
}
}
window.onunload=onClose

</Script>
</head>

<body>    
Try to close the window and see the alert msg
</body>
</html>

it works fine
Regards,
Srini
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LVL 1

Accepted Solution

by:
srini5474 earned 500 total points
ID: 12356194
This link would help u to use Back button effectively in IE
http://www.javascript-2.com/back-button.html
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