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Editorial Team
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Asked: 2026-05-24T03:01:21+00:00

I’d like to make sure that after editing and then navigating away from a

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I’d like to make sure that after editing and then navigating away from a form (pressing Back or clicking a link) and returning (using the Back or Forward button), the form data is not reset. I have verified that this works on another web site. What do I need to check?

Before answering, please note that I’m not submitting and then going back. Simply following links and then returning.

Context:

  • Firefox.
  • JavaScript is disabled in the browser.
  • The web site is on an intranet.
  • A proxy is used system-wide, but it connects directly on the intranet.
  • The web page is served over HTTP.
  • The markup is valid XHTML 1.0 Transitional.
  • The markup contains no frames.
  • The back-end language is PHP.
  • The web server is Apache.
  • The server is a custom Linux distro.
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1 Answer

  1. Editorial Team

    Most browsers cache form input values. So when user refreshes page, the inputs have same values.

    You should check your code-behind for browser cache manipulations like:

    <?
  Header('Cache-Control: no-cache');
  Header('Pragma: no-cache');
  ?>

    and also your plain HTML-templates for:

    <meta http-equiv="Expires" content="Tue, 01 Jan 2000 12:12:12 GMT">

    or 

    <meta http-equiv="Pragma" content="no-cache">
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