/// <summary>
        /// Save all comments to database (direct)
        /// </summary>
        /// <param name="companyId">companyId</param>        
        public void Save(int companyId)
        {
            FlatSectionJlTDS flatSectionJlCommentDetailsChanges = (FlatSectionJlTDS)Data.GetChanges();

            if (flatSectionJlCommentDetailsChanges.FlatSectionJlCommentDetails.Rows.Count > 0)
            {
                FlatSectionJlCommentDetailsGateway flatSectionJlCommentDetailsGateway = new FlatSectionJlCommentDetailsGateway(flatSectionJlCommentDetailsChanges);

                foreach (FlatSectionJlTDS.FlatSectionJlCommentDetailsRow row in (FlatSectionJlTDS.FlatSectionJlCommentDetailsDataTable)flatSectionJlCommentDetailsChanges.FlatSectionJlCommentDetails)
                {
                    // Insert new comments
                    if ((!row.Deleted) && (!row.InDatabase))
                    {
                        WorkComments workComments = new WorkComments(null);
                        int? libraryFilesId = null; if (!row.IsLIBRARY_FILES_IDNull()) libraryFilesId = row.LIBRARY_FILES_ID;
                        string workType = ""; if (!row.IsWorkTypeNull()) workType = row.WorkType;

                        workComments.InsertDirect(row.WorkID, row.RefID, row.Type, row.Subject, row.UserID, row.DateTime_, row.Comment, libraryFilesId, row.Deleted, row.COMPANY_ID, workType);
                    }

                    // Update comments
                    if ((!row.Deleted) && (row.InDatabase))
                    {
                        int workId = row.WorkID;
                        int refId = row.RefID;
                        bool originalDeleted = false;
                        int originalCompanyId = companyId;

                        // original values
                        string originalType = flatSectionJlCommentDetailsGateway.GetTypeOriginal(workId, refId);
                        string originalSubject = flatSectionJlCommentDetailsGateway.GetSubjectOriginal(workId, refId);
                        int originalUserId = flatSectionJlCommentDetailsGateway.GetUserIdOriginal(workId, refId);
                        DateTime? originalDateTime = null; if (flatSectionJlCommentDetailsGateway.GetDateTime_Original(workId, refId) != null) originalDateTime = flatSectionJlCommentDetailsGateway.GetDateTime_Original(workId, refId);
                        string originalComment = flatSectionJlCommentDetailsGateway.GetCommentOriginal(workId, refId);
                        int? originalLibraryFilesId = null; if (flatSectionJlCommentDetailsGateway.GetLIBRARY_FILES_IDOriginal(workId, refId) != null) originalLibraryFilesId = flatSectionJlCommentDetailsGateway.GetLIBRARY_FILES_IDOriginal(workId, refId);
                        string originalWorkType = flatSectionJlCommentDetailsGateway.GetWorkTypeOriginal(workId, refId);

                        // new values
                        string newSubject = flatSectionJlCommentDetailsGateway.GetSubject(workId, refId);
                        string newComment = flatSectionJlCommentDetailsGateway.GetComment(workId, refId);
                        int? newLibraryFilesId = null; if (flatSectionJlCommentDetailsGateway.GetLIBRARY_FILES_IDOriginal(workId, refId) != null) originalLibraryFilesId = flatSectionJlCommentDetailsGateway.GetLIBRARY_FILES_ID(workId, refId);

                        WorkComments workComments = new WorkComments(null);
                        workComments.UpdateDirect(workId, refId, originalType, originalSubject, originalUserId, originalDateTime, originalComment, originalLibraryFilesId, originalDeleted, originalCompanyId, originalWorkType, workId, refId, originalType, newSubject, originalUserId, originalDateTime, newComment, newLibraryFilesId, originalDeleted, originalCompanyId, originalWorkType);
                    }

                    // Deleted comments
                    if ((row.Deleted) && (row.InDatabase))
                    {
                        WorkComments workComments = new WorkComments(null);
                        workComments.DeleteDirect(row.WorkID, row.RefID, row.COMPANY_ID);
                    }
                }
            }
        }