Close the current open window using asp.net c#

Hello All
How can i close the current window(IE etc) using asp.net c#
I used this code it will working



Response.Write("<script type='text/javascript' language='javascript'>window.close();</script>");
here calling Java script for closing  the window....
but my reqiuremnt is close the window only using c# code......(asp.net)
any idea

...