Display classic asp Project page inside .net Project

Hi 
I have convert Classic ASP Project into .Net,


Now my requirement is that i have to give One link for Access Classic ASP Project.


For that I want link like
www.XYZ.com/oldsite/abc.asp


Here WWW.XYZ.com is a virtual directory created for .Net Page. Now inside that i need to create one folder "OLDSITE" and inside oldside i need to put classic asp page.
How can i set virtual directory for classic asp page.


thanks


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