add login authencation using c sharp to ready web site project throw webconfig to some pages not all

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C#3.0

C#

hello every body iam new web d
add login authencation to ready web site project throw webconfig to some pages not all



</authentication>
<authorization>
<deny users="?" />
<allow users="*" />
</authorization>

i have a web site done and i add edit pages to it and i add login page to
administrator i want to pass throw log in page and deny the author to pass to edit pages untill log in