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i want to disable back button of browser after logout but when i login it goes a to b page now i logout from b page then a page comes if i click on back button of a page then i want to disable plz help me?

Posted 19-Jun-13 2:22am

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Stephen Hewison · Answer 1 · 2013-06-19T02:31:00

You can't disable the back button. Nor should you be able to.

But you can stop the back button loading the page from memory/cache.

You need to set some response headers when you originally serve the page.

C#

response.headers["Cache-Control"] = "private, no-store, max-age=0, no-cache, must-revalidate, post-check=0, pre-check=0"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"

Then when the user clicks back, it will request the page again from the server and you can redirect back to the login page.

Prasad_Kulkarni · Answer 2 · 2013-06-19T03:33:00

Solution 4

Get many similar threads on CP Search[^]

Posted 19-Jun-13 3:33am

Prasad_Kulkarni

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Keith Barrow 19-Jun-13 16:39pm

Hi, I've left a comment on Mohammed Mitwalli's answer, it applies here, normally I'd retype, but I'm on my mobile.

Keith Barrow · Answer 3 · 2013-06-19T02:37:00

Not only should you not disable the back button (this is bad for usability) you can't disable the back button reliably across all versions of all browsers.
You need to fix the underlying problem, which is the browser displaying the cached version of the page. This article : "Browser back button issue after logout[^]" presents some options. You also need to make sure that you have "properly" logged the user out (i.e. they cannot access the page when they have been logged out - you aren't just relying on them not accessing the URL), but that is a separate issue and should not be a problem if you've implemented things well.

Mohamed Mitwalli · Answer 4 · 2013-06-19T03:28:00

Solution 3

Hi ,
Check this link
disable browser back button in asp.net(c#)[^]
Best Regards
M.Mitwalli

Posted 19-Jun-13 3:28am

Mohamed Mitwalli

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Keith Barrow 19-Jun-13 16:32pm

Hi, I've yet to see a back button properly disabled across all browsers and versions. Not only that, I'd say it is "bad manners" to try to disable GUI functionality from a website.. Furthermore, I've seen a few sites where disabling the back button just tries to hide poor security. The answer is to disable the cache on secured pages, if the user presses back this forces a re-load, and if the security is properly written, the user will be re-directed to login or wherever. This does nit interference with the browser itself.

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