It is a common question for developer how to to prevent user’s from going to previous page using Browser Back button.
You can do it in various way:
Javascript Codesnippet1:
<script type = "text/javascript" >
function disableBackButton()
{window.history.forward();
}
setTimeout("disableBackButton()", 0);
</script>
For internet explorer: <body onload="disableBackButton()">
If you are using firefox then use <body onunload="disableBackButton()"> instead of onload.
For Server side:
C#-> Asp.net 2.0
ASP.NET 2.0 (there is a new HttpCachePolicy class) :
/*
* Code disables caching by browser. Hence hitting the back browser button
* causes the Page_Load event to fire again.
*/
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.Now); //or a date much earlier than current time
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