How To Protect My Web Appliacation In a Folder ?

Sorry ....

I Mean that i have not give anybody chance to copy and paste the application .

You need basic authentication , read this article it is helpful:

http://stackoverflow.com/questions/8975119/password-protect-asp-net-web-application-in-iis-7-5

Hi Abdalla,

refer the below links,

https://thedigitaldance.wordpress.com/2013/03/11/password-protected-folders-on-iis-7-windows-server-2008-r2/

http://toastergremlin.com/?p=175

http://serverfault.com/questions/627283/password-protect-single-directory-in-iis-8

hope it will works.