/// <summary>
 /// 查询角色对应的 某个模块下拥有的权限
 /// </summary>
 /// <param name="rgid">角色gid</param>
 /// <param name="mgid">模块gid</param>
 /// <returns></returns>
 public static List <ModulePermission> ModulePermission_SelectModulePerByRoleGid(string rgid, string mgid)
 {
     using (SystemDAL access = new SystemDAL())
     {
         return(access.ModulePermission_SelectModulePerByRoleGid(rgid, mgid));
     }
 }