file download with authentication in asp.net
<p>suppose i have hyperlink in my pages and which point to zip file. when user click on the link then i want that file will not download if the user is not logged in. if the user already logged in then file will be download. i want to implement this type of security with the help of form authentication. so just tell me what i need to and what kind of setting i need to have in my web.config file. please help me in detail with code sample.</p>

<p>thanks</p>
