note 35405 added to function.header

i have some problem when open pdf file, header("Content-Type: Application/pdf"); header("Cache-Control: no-cache"); header("Content-Disposition: attachment;filename=temp.pdf"); print $pfd_contend; when i used this header, it will prompt you save or open, i click save it is no problem, while click open ,it can not open the file, it say the file does not exist, when i comment header("Content-Disposition: attachment;filename=temp.pdf"); it can open the pdf file directly. how to solve that i want have prompt to save or open, and open the file work. Thanks ---- Manual Page -- http://www.php.net/manual/en/function.header.php Edit Note -- http://master.php.net/manage/user-notes.php?action=edit+35405 Delete Note -- http://master.php.net/manage/user-notes.php?action=delete+35405&report=yes Reject Note -- http://master.php.net/manage/user-notes.php?action=reject+35405&report=yes