List<EntCertificateInfo> list = ProductCreater.EntCertificateInfoManager.GetEntCertificateInfoByPredicate(entity.Id, null, -1, "CreateTime Desc", pageIndex, pageSize, ref recordcount);
                var result = from a in list
                             select new
                             {
                                 a.CertID,
                                 a.QualiName,
                                 a.QualiNO,
                                 ExpireDate = a.ExpireDate == null ? "" : a.ExpireDate.Value.ToString("yyyy-MM-dd"),
                                 ExpireDateTip = GetExpireDateTip(a.QualiName, a.State, a.ExpireDate),
                                 LicenseDate = a.LicenseDate == null ? "" : a.LicenseDate.Value.ToString("yyyy-MM-dd"),
                                 a.LicenseAgence,
                                 a.State,
                                 a.CreateTime
                             };