unsecure posting behind an asp.net control secure page while avoiding authentication

we controlling customary asp.net forms authentication. certain pages need user logged in; slightest pages delivered https. there hunt control during tip any page. used, don't caring presumably user's event expired, even tide page requires record in.

however, currently, behaving search, built-in forms authentication sees page being posted requires authentication redirects user login page, before page, not hunt law page referrer.

what best proceed bypassing confidence here? i have deliberate posting opposite page controlling postbackurl property, nonetheless https "you posting information an unsecure connection" message, users don't like.

thanks any help.

edit: interjection scratch your idea controlling hunt page. doing already, nonetheless query twine assembled hunt quarrel control following redirects. build adult query twine but controlling postback? (obviously javascript an choice nonetheless i anticipating an choice mechanism.)