@DmitrySikorsky yes you are right, it is become a webapplication project. I tried and it is working not as extention, I create a web project and delete every use less files relate to web application and i put library as export type file
about adding extention from extention file i have some issue it can not load dll files :-?
@DmitrySikorsky I modified your account project and change some parts :D like Areas and so on ;) those file need to be loaded from extention folder they cannot. i dont remember the exact error right know afternon i will post here ;)