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asp.net + previous page before postback

i have a page that i am using for the user to sign into the site, what i want to do is after they have signed in, it will redirect them back to the page they just came from.  The problem i get the page they came from, but once they click sign in button the page postbacks and then i get the url for the page they are currently on.  how can i get and use the page before the postback happens

i tired using backpage = Page.Request.UrlReferrer  but as i said as soon as they click sign in button page postback and lose the actual page they had come from

Thanks
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dkilby
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dkilby
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mmarinovCommented:
Hi,

you can use the forms authentication and then when the user is not authorized he/she is redirected to the login page with a value within the querystring that keep the referrer. then you can use FormsAuthentication.RedirectFromLoginPage method which ( as describes in MSDN ) : Redirects an authenticated user back to the originally requested URL.



Regards,
B..M
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tovvenkiCommented:
Hi,
one another way is to save the value of Page.Request.UrlReferrer  in session and use the value in the session when you want to redirect to the page that they came from. Because without saving the value if the user postbacks then the value of Page.Request.UrlReferrer will change so you can't redirect the user to the page they came from.

Regards,
venki
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tovvenkiCommented:
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