//所有系统角色信息
        public List<T_SYS_ROLE> GetSysRoleInfosPaging(int pageIndex, int pageSize, string sort, string filterString, object[] paras, ref int pageCount, LoginUserInfo loginUserInfo)
        {
            using (SysRoleBLL RoleBll = new SysRoleBLL())
            {
                IQueryable<T_SYS_ROLE> SysRoleInfosList = RoleBll.GetAllSysRoleInfosWithPaging(pageIndex, pageSize, sort, filterString, paras, ref  pageCount, loginUserInfo.userID);
                if (SysRoleInfosList == null)
                {
                    return null;
                }
                else
                {
                    return SysRoleInfosList.ToList();
                }
            }

        }