/// <summary>
        /// Save all Hotels Costing Sheet
        /// </summary>
        /// <param name="companyId">companyId</param>
        /// <param name="costingSheetId">costingSheetId</param>
        public void Save(int companyId, int costingSheetId)
        {
            ProjectCostingSheetAddTDS changes = (ProjectCostingSheetAddTDS)Data.GetChanges();

            if (changes.HotelsInformation.Rows.Count > 0)
            {
                foreach (ProjectCostingSheetAddTDS.HotelsInformationRow row in (ProjectCostingSheetAddTDS.HotelsInformationDataTable)changes.HotelsInformation)
                {
                    // Insert new costing sheet Hotels
                    if ((!row.Deleted) && (!row.InDatabase))
                    {
                        ProjectCostingSheetHotels projectCostingSheetHotels = new ProjectCostingSheetHotels(null);
                        projectCostingSheetHotels.InsertDirect(costingSheetId, row.HotelID, row.RefID, row.Rate, row.Deleted, row.COMPANY_ID, row.StartDate, row.EndDate, row.Comment);
                    }
                }
            }
        }
        /// <summary>
        /// Save all Hotels Costing Sheets
        /// </summary>
        /// <param name="companyId">companyId</param>
        /// <param name="costingSheetId">costingSheetId</param>
        public void Save(int companyId, int costingSheetId)
        {
            ProjectCostingSheetInformationTDS hotelsInformationChanges = (ProjectCostingSheetInformationTDS)Data.GetChanges();

            if (hotelsInformationChanges.HotelsInformation.Rows.Count > 0)
            {
                ProjectCostingSheetInformationHotelsInformationGateway projectCostingSheetInformationHotelsInformationGateway = new ProjectCostingSheetInformationHotelsInformationGateway(hotelsInformationChanges);

                foreach (ProjectCostingSheetInformationTDS.HotelsInformationRow row in (ProjectCostingSheetInformationTDS.HotelsInformationDataTable)hotelsInformationChanges.HotelsInformation)
                {
                    // Insert new costing sheet Hotels
                    if ((!row.Deleted) && (!row.InDatabase))
                    {
                        ProjectCostingSheetHotels hotels = new ProjectCostingSheetHotels(null);
                        hotels.InsertDirect(costingSheetId, row.HotelID, row.RefID, row.Rate, row.Deleted, row.COMPANY_ID, row.StartDate, row.EndDate, row.Comment);
                    }

                    // Update costing sheet Hotels
                    if ((!row.Deleted) && (row.InDatabase))
                    {
                        int hotelId = row.HotelID;
                        int refId = row.RefID;
                        bool deleted = false;

                        //original values
                        decimal originalRate = projectCostingSheetInformationHotelsInformationGateway.GetRateOriginal(costingSheetId, hotelId, refId);
                        DateTime originalStartDate = projectCostingSheetInformationHotelsInformationGateway.GetStartDateOriginal(costingSheetId, hotelId, refId);
                        DateTime originalEndDate = projectCostingSheetInformationHotelsInformationGateway.GetEndDateOriginal(costingSheetId, hotelId, refId);

                        //original values
                        decimal newRate = projectCostingSheetInformationHotelsInformationGateway.GetRate(costingSheetId, hotelId, refId);
                        DateTime newStartDate = projectCostingSheetInformationHotelsInformationGateway.GetStartDate(costingSheetId, hotelId, refId);
                        DateTime newEndDate = projectCostingSheetInformationHotelsInformationGateway.GetEndDate(costingSheetId, hotelId, refId);

                        ProjectCostingSheetHotels hotels = new ProjectCostingSheetHotels(null);
                        //hotels.UpdateDirect(costingSheetId, hotelId, refId, originalRate, deleted, companyId, originalStartDate, originalEndDate, newRate, deleted, companyId, newStartDate, newEndDate);
                    }

                    // Delete costing sheet Hotels
                    if ((row.Deleted) && (row.InDatabase))
                    {
                        /*ProjectCostingSheetHotels hotels = new ProjectCostingSheetHotels(null);
                        hotels.DeleteDirect(row.CostingSheetID, row.HotelID, row.RefID, row.COMPANY_ID);*/
                    }
                }
            }
        }