Re: What do I use?

["Mark Allen" <scprideandms@xxxxxxxxx>]

WOW, thanks Rory, I am saving this in my "Midrange Life Saver" folder!!!

On 4/12/07, Rory Hewitt <roryhewitt@xxxxxxxxx> wrote:
> We got around the back button problem very simply. Each page contains a
> hidden session-identifier (a 128-byte string) as an <input
> type="hidden"...>
> form field. Part of that string is a 5-digit 'screen counter', which is
> incremented by the iSeries application each time it's called (so it
> doesn't
> refer to a a particular screen) and part of it is a 1-byte session status.
>
> For each page, an onLoad() function checks the screen counter in the
> session-identifier field against the screen counter field saved in a
> cookie.
> If the session-identifier screen counter is > the cookie screen-counter,
> the
> cookie is updated with the session-identifier screen counter value.
> However,
> if the session-identifier screen counter is <= the cookie screen-counter
> (meaning the user pressed the back button), a screen-identifier session
> status is set to 'R' (meaning 'refresh') and the page is auto-submitted.
> The
> iSeries application then simply refreshes the current screen that it
> determines the user is on.
>
> This works perfectly - if the user uses the back button (or indeed,
> attempts
> to go back multiple screens), their existing page is simply refreshed.