Hi all, easy question:
How can I make a page expire immediately?
I don't want the user to be able to re-visit it.
Tried <% response.expires = 0 %>, did not work.
Don't understand how to use the System.Web.HttpCachePolicy
???
Thanks
kpg
10  1701 
Setting Response.Expires to 0 just makes it so the browser doesn't cache the
page, which doesn't sound at all like the solution to your problem.
Are you saying that if someone sees a certain page, then if they refresh or
return to it, you want them to see something else or be redirected?
"kpg" <ip***@thereforeiam.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl... Hi all, easy question:
How can I make a page expire immediately?
I don't want the user to be able to re-visit it.
Tried <% response.expires = 0 %>, did not work.
Don't understand how to use the System.Web.HttpCachePolicy
???
Thanks
kpg
> Setting Response.Expires to 0 just makes it so the browser doesn't cache the page, which doesn't sound at all like the solution to your problem.
Are you saying that if someone sees a certain page, then if they refresh
or return to it, you want them to see something else or be redirected?
After the user logs on I show a page that displays a list of items
previously
saved. When the user picks one I redirect them to a page with the selected
data loaded to begin processing. If they hit the back button (history) of
the
browser and try to revisit the item list page I want to show that it has
expired.
There should be no way for them to return to this page unless they logoff
and then back on.
If the page were not cached then the request would come to the server
and I could display a message. My problem is I put a response.expires =0
and I still got the cached page. Maybe I was using it wrong. I added it to
the top of the html page before the <head>. I also tried adding a
response.expires = 0 into the page load event with the same effect (none).
Hope that clears it up.
Thanks,
kpg
When they visit the page, put a variable on the session to indicate
that they have vitited. When they come back, the session will have the
value and you can display an appropriate message.
sayed
The problem with the back button is an age old issue and I'm very interested
to see if anyone is going to offer you a solution. When a user clicks the
back button, the page doesn't reload, so no code is executed.
"kpg" <ip***@thereforeiam.com> wrote in message
news:e0**************@TK2MSFTNGP12.phx.gbl... Setting Response.Expires to 0 just makes it so the browser doesn't cache
the page, which doesn't sound at all like the solution to your problem.
Are you saying that if someone sees a certain page, then if they refresh
or return to it, you want them to see something else or be redirected?
After the user logs on I show a page that displays a list of items
previously
saved. When the user picks one I redirect them to a page with the
selected
data loaded to begin processing. If they hit the back button (history) of
the
browser and try to revisit the item list page I want to show that it has
expired.
There should be no way for them to return to this page unless they logoff
and then back on.
If the page were not cached then the request would come to the server
and I could display a message. My problem is I put a response.expires =0
and I still got the cached page. Maybe I was using it wrong. I added it
to
the top of the html page before the <head>. I also tried adding a
response.expires = 0 into the page load event with the same effect (none).
Hope that clears it up.
Thanks,
kpg
OK. Here it is.
Put this in the page load event: Response.Cache.SetNoStore()
This prevents the browser from caching the page, which
means I will always get the hit when the page is reloaded.
I found this info at: http://www.codenotes.com/articles/ar...articleID=1022
--
kpg
"Kim Quigley" <ki********@hotmail.com> wrote in message
news:uy**************@TK2MSFTNGP09.phx.gbl... # Name resolution details: file://c:\temp\328821.htm (6/17/2005 2:00:56 PM)
#
The problem with the back button is an age old issue and I'm very
interested to see if anyone is going to offer you a solution. When a user
clicks the back button, the page doesn't reload, so no code is executed.
"kpg" <ip***@thereforeiam.com> wrote in message
news:e0**************@TK2MSFTNGP12.phx.gbl... Setting Response.Expires to 0 just makes it so the browser doesn't cache
the page, which doesn't sound at all like the solution to your problem.
Are you saying that if someone sees a certain page, then if they refresh
or return to it, you want them to see something else or be redirected?
After the user logs on I show a page that displays a list of items
previously
saved. When the user picks one I redirect them to a page with the
selected
data loaded to begin processing. If they hit the back button (history)
of the
browser and try to revisit the item list page I want to show that it has
expired.
There should be no way for them to return to this page unless they logoff
and then back on.
If the page were not cached then the request would come to the server
and I could display a message. My problem is I put a response.expires =0
and I still got the cached page. Maybe I was using it wrong. I added it
to
the top of the html page before the <head>. I also tried adding a
response.expires = 0 into the page load event with the same effect
(none).
Hope that clears it up.
Thanks,
kpg
Try this code:
Response.Expires = 0
Response.Cache.SetNoStore()
Response.AppendHeader("Pragma", "no-cache")
--
I hope this helps,
Steve C. Orr, MCSD, MVP http://SteveOrr.net
"kpg" <ip***@thereforeiam.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl... Hi all, easy question:
How can I make a page expire immediately?
I don't want the user to be able to re-visit it.
Tried <% response.expires = 0 %>, did not work.
Don't understand how to use the System.Web.HttpCachePolicy
???
Thanks
kpg
kpg wrote: Hi all, easy question:
How can I make a page expire immediately?
I don't want the user to be able to re-visit it.
Tried <% response.expires = 0 %>, did not work.
Don't understand how to use the System.Web.HttpCachePolicy
HttpResponse has a "Cache" property which is a instance if
HttpCachePolicy. You should set your caching options through this
object, e.g.
Response.Cache.SetCacheability(HttpCacheability.No Cache);
Cheers,
-- http://www.joergjooss.de
mailto:ne********@joergjooss.de
kpg wrote: OK. Here it is.
Put this in the page load event: Response.Cache.SetNoStore()
This prevents the browser from caching the page, which
means I will always get the hit when the page is reloaded.
Note that there's no guarantee that this works across all browsers.
Cheers,
-- http://www.joergjooss.de
mailto:ne********@joergjooss.de
add this line to ur html coding
it will prevent user from hitting the back button of our browser...
<body onload="history.go(+1)" MS_POSITIONING="GridLayout">
try it and c whether it has any affect?
email me at ja********@gmail.com
kpg wrote: Hi all, easy question:
How can I make a page expire immediately?
I don't want the user to be able to re-visit it.
Tried <% response.expires = 0 %>, did not work.
Don't understand how to use the System.Web.HttpCachePolicy
???
Thanks
kpg
--
Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/For...p-net/200507/1
add this line to ur html coding
it will prevent user from hitting the back button of our browser...
<body onload="history.go(+1)" MS_POSITIONING="GridLayout">
try it and c whether it has any affect?
email me at ja********@gmail.com
Kim Quigley wrote: The problem with the back button is an age old issue and I'm very interested
to see if anyone is going to offer you a solution. When a user clicks the
back button, the page doesn't reload, so no code is executed.
Setting Response.Expires to 0 just makes it so the browser doesn't cache
the page, which doesn't sound at all like the solution to your problem.
[quoted text clipped - 24 lines] Thanks,
kpg
--
Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/For...p-net/200507/1 This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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