试试这个链接

http://www.asp.net/web-forms/视频/ how-do-i / how-do-do-do-roles-to-segment-in-an-aspnet-web-site [ ^ ]

http://www.tsjensen.com/blog/post/2010/10/16/ASPNET+MVC+Custom+Authorize+Attribute+With+Roles+Parser.aspx [ ^ ]

希望这有帮助

Try this links
http://www.asp.net/web-forms/videos/how-do-i/how-do-i-use-roles-to-segment-functionality-in-an-aspnet-web-site[^]
http://www.tsjensen.com/blog/post/2010/10/16/ASPNET+MVC+Custom+Authorize+Attribute+With+Roles+Parser.aspx[^]
Hope this helps