/// <summary>
        /// Save
        /// </summary>
        /// <param name="companyId">companyId</param>
        public void Save(int companyId)
        {
            ProjectCostingSheetInformationTDS projectCostingSheetInformationChanges = (ProjectCostingSheetInformationTDS)Data.GetChanges();

            if (projectCostingSheetInformationChanges.CombinedBasicInformation.Rows.Count > 0)
            {
                ProjectCombinedCostingSheetInformationBasicInformationGateway projectCostingSheetInformationBasicInformationGateway = new ProjectCombinedCostingSheetInformationBasicInformationGateway(projectCostingSheetInformationChanges);

                // Update costing sheet
                foreach (ProjectCostingSheetInformationTDS.CombinedBasicInformationRow basicInformationRow in (ProjectCostingSheetInformationTDS.CombinedBasicInformationDataTable)projectCostingSheetInformationChanges.CombinedBasicInformation)
                {
                    // Unchanged values
                    int costingSheetId = basicInformationRow.CostingSheetID;
                    int projectId = basicInformationRow.ClientID;
                    DateTime startDate = basicInformationRow.StartDate;
                    DateTime endDate = basicInformationRow.EndDate;

                    // Original values
                    string originalName = projectCostingSheetInformationBasicInformationGateway.GetNameOriginal(costingSheetId);
                    decimal originalTotalLabourHoursCad = projectCostingSheetInformationBasicInformationGateway.GetTotalLabourHoursCadOriginal(costingSheetId);
                    decimal originalTotalLabourHoursUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalLabourHoursUsdOriginal(costingSheetId);
                    decimal originalTotalMaterialsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalMaterialsCadOriginal(costingSheetId);
                    decimal originalTotalMaterialsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalMaterialsUsdOriginal(costingSheetId);
                    decimal originalTotalUnitsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalUnitsCadOriginal(costingSheetId);
                    decimal originalTotalUnitsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalUnitsUsdOriginal(costingSheetId);
                    decimal originalTotalOtherCostsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalOtherCostsCadOriginal(costingSheetId);
                    decimal originalTotalOtherCostsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalOtherCostsUsdOriginal(costingSheetId);
                    decimal originalGrandTotalCad = projectCostingSheetInformationBasicInformationGateway.GetGrandTotalCadOriginal(costingSheetId);
                    decimal originalGrandTotalUsd = projectCostingSheetInformationBasicInformationGateway.GetGrandTotalUsdOriginal(costingSheetId);
                    string originalState = projectCostingSheetInformationBasicInformationGateway.GetStateOriginal(costingSheetId);
                    bool originalDeleted = projectCostingSheetInformationBasicInformationGateway.GetDeletedOriginal(costingSheetId);
                    decimal originalTotalSubcontractorsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalSubcontractorsCadOriginal(costingSheetId);
                    decimal originalTotalSubcontractorsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalSubcontractorsUsdOriginal(costingSheetId);
                    decimal originalGrandRevenue = projectCostingSheetInformationBasicInformationGateway.GetGrandRevenueOriginal(costingSheetId);
                    decimal originalGrandProfit = projectCostingSheetInformationBasicInformationGateway.GetGrandProfitOriginal(costingSheetId);
                    decimal originalGrandGrossMargin = projectCostingSheetInformationBasicInformationGateway.GetGrandGrossMarginOriginal(costingSheetId);

                    // New variables
                    string newName = projectCostingSheetInformationBasicInformationGateway.GetName(costingSheetId);
                    decimal newTotalLabourHoursCad = projectCostingSheetInformationBasicInformationGateway.GetTotalLabourHoursCad(costingSheetId);
                    decimal newTotalLabourHoursUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalLabourHoursUsd(costingSheetId);
                    decimal newTotalMaterialsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalMaterialsCad(costingSheetId);
                    decimal newTotalMaterialsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalMaterialsUsd(costingSheetId);
                    decimal newTotalUnitsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalUnitsCad(costingSheetId);
                    decimal newTotalUnitsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalUnitsUsd(costingSheetId);
                    decimal newTotalOtherCostsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalOtherCostsCad(costingSheetId);
                    decimal newTotalOtherCostsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalOtherCostsUsd(costingSheetId);
                    decimal newGrandTotalCad = projectCostingSheetInformationBasicInformationGateway.GetGrandTotalCad(costingSheetId);
                    decimal newGrandTotalUsd = projectCostingSheetInformationBasicInformationGateway.GetGrandTotalUsd(costingSheetId);
                    string newState = projectCostingSheetInformationBasicInformationGateway.GetState(costingSheetId);
                    bool newDeleted = projectCostingSheetInformationBasicInformationGateway.GetDeleted(costingSheetId);
                    decimal newTotalSubcontractorsCad = projectCostingSheetInformationBasicInformationGateway.GetTotalSubcontractorsCad(costingSheetId);
                    decimal newTotalSubcontractorsUsd = projectCostingSheetInformationBasicInformationGateway.GetTotalSubcontractorsUsd(costingSheetId);
                    decimal newGrandRevenue = projectCostingSheetInformationBasicInformationGateway.GetGrandRevenue(costingSheetId);
                    decimal newGrandProfit = projectCostingSheetInformationBasicInformationGateway.GetGrandProfit(costingSheetId);
                    decimal newGrandGrossMargin = projectCostingSheetInformationBasicInformationGateway.GetGrandGrossMargin(costingSheetId);

                    // ... Update
                    UpdateCostingSheet(costingSheetId, projectId, originalName, startDate, endDate, originalTotalLabourHoursCad, originalTotalLabourHoursUsd, originalTotalMaterialsCad, originalTotalMaterialsUsd, originalTotalUnitsCad, originalTotalUnitsUsd, originalTotalOtherCostsCad, originalTotalOtherCostsUsd, originalGrandTotalCad, originalGrandTotalUsd, originalState, originalDeleted, companyId, originalTotalSubcontractorsCad, originalTotalSubcontractorsUsd, originalGrandRevenue, originalGrandProfit, originalGrandGrossMargin, projectId, newName, startDate, endDate, newTotalLabourHoursCad, newTotalLabourHoursUsd, newTotalMaterialsCad, newTotalMaterialsUsd, newTotalUnitsCad, newTotalUnitsUsd, newTotalOtherCostsCad, newTotalOtherCostsUsd, newGrandTotalCad, newGrandTotalUsd, newState, newDeleted, companyId, newTotalSubcontractorsCad, newTotalSubcontractorsUsd, newGrandRevenue, newGrandProfit, newGrandGrossMargin);
                }
            }
        }