tree control ,this is very good-tree control, and this is very good

一个通用的权限管理系统，采用C#编写，该系统按角色进行划分权限，一个人可以有多个角色。-A general authority management system, the C# writing, this system according to the role division authority, a person can have multiple roles.

PermissionBase权限管理系统=-PermissionBase rights management system=