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Vijay Kodali
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Disable Browser Back Button in ASP.NET

The browser back button cannot be disabled as the browser security will not allow this. If you want user to stay on the same page, even if user presses back button, try this java script..

<script language="JavaScript">
javascript:window.history.forward(1);
</script>

What if the JavaScript is disabled by the client, then this code doesn't work. And also it works great in IE, but not in other browsers. So I do not highly recommend using this.

 

Here is another solution for back button problem..

Add this code to Page_load

Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.Now); 

 

The above code will disable page cache. Since the page is not being cached on the browser, the page will be reloaded when the user hits the back button.


Posted by vijay on Thursday, April 24, 2008 9:38 PM
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Detecting Session Timeout and Redirect to Login Page in ASP.NET

HTTP(web page) is stateless, so we cannot know whether the Session has really expired without sending a page request back to the server. If you want to redirect the page immediately(with out any user action) after session expires consider this approach.

 

Response.AppendHeader("Refresh",Convert.ToString((Session.Timeout * 60)+ 10)+";URL=Login.aspx");

 

Add this line of code to page_Load.


Tags:
Categories: ASP.NET | ASP.Net 3.5
Posted by vijay on Friday, April 11, 2008 6:35 PM
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