public static IEnumerable <CooperateUserService> SelectCooperateUserByCompanyId(int companyId) { IEnumerable <CooperateUserService> result = null; try { var userDetails = UserAccountService.GetCompanyUsersByCompanyId(companyId); if (userDetails != null && userDetails.Any()) { result = BeautyServicePackageDal.SelectCooperateUserByUserIdList(userDetails.Select(x => x.UserId).ToList()); } } catch (Exception ex) { Logger.Error(ex.Message, ex); }; return(result); }