/// <summary>
        /// UpdateForReport
        /// </summary>
        private void UpdateForReport()
        {
            ProjectCombinedCostingSheetInformationLabourHoursInformationGateway projectCostingSheetInformationLabourHoursInformationGateway = new ProjectCombinedCostingSheetInformationLabourHoursInformationGateway(Data);
            projectCostingSheetInformationLabourHoursInformationGateway.ClearBeforeFill = false;

            ProjectCombinedCostingSheetInformationUnitsInformationGateway projectCostingSheetInformationUnitsInformationGateway = new ProjectCombinedCostingSheetInformationUnitsInformationGateway(Data);
            projectCostingSheetInformationUnitsInformationGateway.ClearBeforeFill = false;

            ProjectCombinedCostingSheetInformationMaterialsInformationGateway projectCostingSheetInformationMaterialsInformationGateway = new ProjectCombinedCostingSheetInformationMaterialsInformationGateway(Data);
            projectCostingSheetInformationMaterialsInformationGateway.ClearBeforeFill = false;

            ProjectCombinedCostingSheetInformationSubcontractorsInformationGateway projectCostingSheetInformationSubcontractorsInformationGateway = new ProjectCombinedCostingSheetInformationSubcontractorsInformationGateway(Data);
            projectCostingSheetInformationSubcontractorsInformationGateway.ClearBeforeFill = false;

            ProjectCombinedCostingSheetInformationOtherCostsInformationGateway projectCostingSheetInformationOtherCostsInformationGateway = new ProjectCombinedCostingSheetInformationOtherCostsInformationGateway(Data);
            projectCostingSheetInformationOtherCostsInformationGateway.ClearBeforeFill = false;

            projectCombinedCostingSheetInformationRevenueInformationGateway projectCostingSheetInformationRevenueInformationGateway = new projectCombinedCostingSheetInformationRevenueInformationGateway(Data);
            projectCostingSheetInformationRevenueInformationGateway.ClearBeforeFill = false;

            foreach (ProjectCostingSheetInformationTDS.CombinedBasicInformationRow row in (ProjectCostingSheetInformationTDS.CombinedBasicInformationDataTable)Table)
            {
                if (row.GrandRevenue > 0)
                {
                    row.GrandGrossMargin = (row.GrandProfit / row.GrandRevenue) * 100;
                }
                else
                {
                    row.GrandGrossMargin = 0;
                }

                projectCostingSheetInformationLabourHoursInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
                projectCostingSheetInformationUnitsInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
                projectCostingSheetInformationMaterialsInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
                projectCostingSheetInformationSubcontractorsInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
                projectCostingSheetInformationOtherCostsInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
                projectCostingSheetInformationRevenueInformationGateway.LoadByCostingSheetId(row.CostingSheetID, row.COMPANY_ID);
            }
        }
        // ////////////////////////////////////////////////////////////////////////
        // INITIAL EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            // Register client scripts
            this.RegisterClientScripts();

            if (!IsPostBack)
            {
                // Security check
                if (!Convert.ToBoolean(Session["sgLFS_PROJECTS_COSTINGSHEETS_ADMIN"]))
                {
                    if (!(Convert.ToBoolean(Session["sgLFS_PROJECTS_COSTINGSHEETS_VIEW"]) && Convert.ToBoolean(Session["sgLFS_PROJECTS_COSTINGSHEETS_EDIT"])))
                    {
                        Response.Redirect("./../../error_page.aspx?error=" + "You are not authorized to view this page. Contact your system administrator.");
                    }
                }

                // Validate query string
                if (((string)Request.QueryString["source_page"] == null) || ((string)Request.QueryString["costing_sheet_id"] == null))
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in project_combined_costing_sheets_edit.aspx");
                }

                // Tag Page
                hdfCostingSheetId.Value = Request.QueryString["costing_sheet_id"].ToString();
                hdfCompanyId.Value = Session["companyID"].ToString();
                hdfProjectId.Value = Request.QueryString["project_id"];
                hdfDataChanged.Value = Request.QueryString["data_changed"];
                hdfDataChangedMessage.Value = "Changes made to this project will not be saved.";

                ViewState["state"] = Request.QueryString["state"];
                ViewState["active_tab"] = Request.QueryString["active_tab"];
                ViewState["origin"] = Request.QueryString["origin"];
                ViewState["update"] = Request.QueryString["update"];

                projectTDS = (ProjectTDS)Session["lfsProjectTDS"];

                Session.Remove("labourHoursInformationDummy");
                Session.Remove("unitsInformationDummy");
                Session.Remove("subcontractorsInformationDummy");
                Session.Remove("materialsInformationDummy");
                Session.Remove("otherCostsInformationDummy");
                Session.Remove("revenueInformationDummy");

                // If coming from project_combined_costing_sheets_navigator.aspx or project_combined_costing_sheets_add.aspx
                int companyId = Int32.Parse(hdfCompanyId.Value);
                if (Request.QueryString["source_page"] == "project_costing_sheets_navigator.aspx" || Request.QueryString["source_page"] == "project_combined_costing_sheets_add.aspx")
                {
                    // Store Navigator State and Update control
                    StoreNavigatorState();
                    ViewState["update"] = "no";

                    // Get Costing sheet ID
                    int costingSheetId = Int32.Parse(hdfCostingSheetId.Value.Trim());

                    // Get dataset
                    projectTDS = (ProjectTDS)Session["lfsProjectTDS"];
                    projectCostingSheetInformationTDS = new ProjectCostingSheetInformationTDS();
                    labourHoursInformation = new ProjectCostingSheetInformationTDS.CombinedLabourHoursInformationDataTable();
                    unitsInformation = new ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable();
                    subcontractorsInformation = new ProjectCostingSheetInformationTDS.CombinedSubcontractorsInformationDataTable();
                    materialsInformation = new ProjectCostingSheetInformationTDS.CombinedMaterialsInformationDataTable();
                    otherCostsInformation = new ProjectCostingSheetInformationTDS.CombinedOtherCostsInformationDataTable();
                    revenueInformation = new ProjectCostingSheetInformationTDS.CombinedRevenueInformationDataTable();

                    // Get General Data
                    ProjectCombinedCostingSheetInformationBasicInformation projectCostingSheetInformationBasicInformation = new ProjectCombinedCostingSheetInformationBasicInformation(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationBasicInformation.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCombinedCostingSheetInformationLabourHoursInformationGateway projectCostingSheetInformationLabourHoursInformationGateway = new ProjectCombinedCostingSheetInformationLabourHoursInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationLabourHoursInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCombinedCostingSheetInformationUnitsInformationGateway projectCostingSheetInformationUnitsInformationGateway = new ProjectCombinedCostingSheetInformationUnitsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationUnitsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCombinedCostingSheetInformationSubcontractorsInformationGateway projectCostingSheetInformationSubcontractorsInformationGateway = new ProjectCombinedCostingSheetInformationSubcontractorsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationSubcontractorsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCombinedCostingSheetInformationMaterialsInformationGateway projectCostingSheetInformationMaterialsInformationGateway = new ProjectCombinedCostingSheetInformationMaterialsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationMaterialsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCombinedCostingSheetInformationOtherCostsInformationGateway projectCostingSheetInformationOtherCostsInformationGateway = new ProjectCombinedCostingSheetInformationOtherCostsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationOtherCostsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    projectCombinedCostingSheetInformationRevenueInformationGateway projectCombinedCostingSheetInformationRevenueInformationGateway = new projectCombinedCostingSheetInformationRevenueInformationGateway(projectCostingSheetInformationTDS);
                    projectCombinedCostingSheetInformationRevenueInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    Session["lfsProjectTDS"] = projectTDS;
                    Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;
                    Session["labourHoursInformation"] = projectCostingSheetInformationTDS.CombinedLabourHoursInformation;
                    Session["unitsInformation"] = projectCostingSheetInformationTDS.CombinedUnitsInformation;
                    Session["subcontractorsInformation"] = projectCostingSheetInformationTDS.CombinedSubcontractorsInformation;
                    Session["materialsInformation"] = projectCostingSheetInformationTDS.CombinedMaterialsInformation;
                    Session["otherCostsInformation"] = projectCostingSheetInformationTDS.CombinedOtherCostsInformation;
                    Session["revenueInformation"] = projectCostingSheetInformationTDS.CombinedRevenueInformation;

                    labourHoursInformation = projectCostingSheetInformationTDS.CombinedLabourHoursInformation;
                    unitsInformation = projectCostingSheetInformationTDS.CombinedUnitsInformation;
                    subcontractorsInformation = projectCostingSheetInformationTDS.CombinedSubcontractorsInformation;
                    materialsInformation = projectCostingSheetInformationTDS.CombinedMaterialsInformation;
                    otherCostsInformation = projectCostingSheetInformationTDS.CombinedOtherCostsInformation;
                    revenueInformation = projectCostingSheetInformationTDS.CombinedRevenueInformation;
                }

                // ... project_combined_costing_sheets_add.aspx
                if (Request.QueryString["source_page"] == "project_combined_costing_sheets_add.aspx")
                {
                    ViewState["update"] = "yes";
                }

                // ... left menu, project_combined_costing_sheets_edit.aspx, project_combined_costing_sheets_delete.aspx or project_combined_costing_sheets_state.aspx
                if ((Request.QueryString["source_page"] == "lm") || (Request.QueryString["source_page"] == "project_combined_costing_sheets_summary.aspx") || (Request.QueryString["source_page"] == "project_combined_costing_sheets_delete.aspx") || (Request.QueryString["source_page"] == "project_combined_costing_sheets_state.aspx"))
                {
                    // Store Navigator State and Update control
                    StoreNavigatorState();
                    ViewState["update"] = Request.QueryString["update"];
                }

                // Restore dataset
                projectTDS = (ProjectTDS)Session["lfsProjectTDS"];
                projectCostingSheetInformationTDS = (ProjectCostingSheetInformationTDS)Session["projectCostingSheetInformationTDS"];

                labourHoursInformation = (ProjectCostingSheetInformationTDS.CombinedLabourHoursInformationDataTable)Session["labourHoursInformation"];
                unitsInformation = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)Session["unitsInformation"];
                subcontractorsInformation = (ProjectCostingSheetInformationTDS.CombinedSubcontractorsInformationDataTable)Session["subcontractorsInformation"];
                materialsInformation = (ProjectCostingSheetInformationTDS.CombinedMaterialsInformationDataTable)Session["materialsInformation"];
                otherCostsInformation = (ProjectCostingSheetInformationTDS.CombinedOtherCostsInformationDataTable)Session["otherCostsInformation"];
                revenueInformation = (ProjectCostingSheetInformationTDS.CombinedRevenueInformationDataTable)Session["revenueInformation"];

                if (!Convert.ToBoolean(Session["sgLFS_PROJECTS_COSTINGSHEETS_ADMIN"]))
                {
                    // Costing Sheet state check
                    ProjectCombinedCostingSheetInformationBasicInformationGateway projectCostingSheetInformationBasicInformationGatewayForValidate = new ProjectCombinedCostingSheetInformationBasicInformationGateway(projectCostingSheetInformationTDS);
                    string state = projectCostingSheetInformationBasicInformationGatewayForValidate.GetState(Int32.Parse(hdfCostingSheetId.Value));
                    if (state == "Approved")
                    {
                        Response.Redirect("./../../error_page.aspx?error=" + "This costing sheet is approved, you can not edit it.");
                    }
                }

                ProjectGateway projectGateway = new ProjectGateway(projectTDS);
                hdfClientId.Value = projectGateway.GetClientID(Int32.Parse(hdfProjectId.Value.ToString())).ToString();

                // ... for project
                int currentProjectId = Int32.Parse(hdfProjectId.Value.ToString());
                string name = projectGateway.GetName(currentProjectId);
                if (name.Length > 23) name = name.Substring(0, 20) + "...";
                lblTitleProjectName.Text = name + " (" + projectGateway.GetProjectNumber(currentProjectId) + ")";

                // ... for client
                int currentClientId = projectGateway.GetClientID(Int32.Parse(hdfProjectId.Value.ToString()));

                CompaniesGateway companiesGateway = new CompaniesGateway();
                companiesGateway.LoadAllByCompaniesId(currentClientId, companyId);
                lblTitleClientName.Text = "Client: " + companiesGateway.GetName(currentClientId);

                LoadBasicData();
            }
            else
            {
                // Restore dataset
                projectTDS = (ProjectTDS)Session["lfsProjectTDS"];
                projectCostingSheetInformationTDS = (ProjectCostingSheetInformationTDS)Session["projectCostingSheetInformationTDS"];

                labourHoursInformation = (ProjectCostingSheetInformationTDS.CombinedLabourHoursInformationDataTable)Session["labourHoursInformation"];
                unitsInformation = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)Session["unitsInformation"];
                subcontractorsInformation = (ProjectCostingSheetInformationTDS.CombinedSubcontractorsInformationDataTable)Session["subcontractorsInformation"];
                materialsInformation = (ProjectCostingSheetInformationTDS.CombinedMaterialsInformationDataTable)Session["materialsInformation"];
                otherCostsInformation = (ProjectCostingSheetInformationTDS.CombinedOtherCostsInformationDataTable)Session["otherCostsInformation"];
                revenueInformation = (ProjectCostingSheetInformationTDS.CombinedRevenueInformationDataTable)Session["revenueInformation"];
            }
        }
        /// <summary>
        /// Save all Revenue Costing Sheets
        /// </summary>
        /// <param name="companyId">companyId</param>
        /// <param name="costingSheetId">costingSheetId</param>
        public void Save(int companyId, int costingSheetId)
        {
            ProjectCostingSheetInformationTDS subcontractorsInformationChanges = (ProjectCostingSheetInformationTDS)Data.GetChanges();

            if (subcontractorsInformationChanges.CombinedRevenueInformation.Rows.Count > 0)
            {
                projectCombinedCostingSheetInformationRevenueInformationGateway projectCombinedCostingSheetInformationRevenueInformationGateway = new projectCombinedCostingSheetInformationRevenueInformationGateway(subcontractorsInformationChanges);

                foreach (ProjectCostingSheetInformationTDS.CombinedRevenueInformationRow row in (ProjectCostingSheetInformationTDS.CombinedRevenueInformationDataTable)subcontractorsInformationChanges.CombinedRevenueInformation)
                {
                    // Insert new costing sheet Revenue
                    if ((!row.Deleted) && (!row.InDatabase))
                    {
                        ProjectCombinedCostingSheetRevenue subcontractors = new ProjectCombinedCostingSheetRevenue(null);
                        subcontractors.InsertDirect(costingSheetId, row.RefIDRevenue, row.Revenue, false, row.COMPANY_ID, row.StartDate, row.EndDate, row.Comment, row.ProjectID);
                    }

                    // Update costing sheet Revenue
                    if ((!row.Deleted) && (row.InDatabase))
                    {
                        //int subcontractorId = row.SubcontractorID;
                        //int refId = row.RefID;
                        //bool deleted = false;

                        ////original values
                        //string originalUnitOfMeasurement = projectCombinedCostingSheetInformationRevenueInformationGateway.GetUnitOfMeasurementOriginal(costingSheetId, subcontractorId, refId);
                        //double originalQuantity = projectCostingSheetInformationRevenueInformationGateway.GetQuantityOriginal(costingSheetId, subcontractorId, refId);
                        //decimal originalCostCad = projectCostingSheetInformationRevenueInformationGateway.GetCostCadOriginal(costingSheetId, subcontractorId, refId);
                        //decimal originalTotalCostCad = projectCostingSheetInformationRevenueInformationGateway.GetTotalCostCadOriginal(costingSheetId, subcontractorId, refId);
                        //decimal originalCostUsd = projectCostingSheetInformationRevenueInformationGateway.GetCostUsdOriginal(costingSheetId, subcontractorId, refId);
                        //decimal originalTotalCostUsd = projectCostingSheetInformationRevenueInformationGateway.GetTotalCostUsdOriginal(costingSheetId, subcontractorId, refId);
                        //DateTime originalStartDate = projectCostingSheetInformationRevenueInformationGateway.GetStartDateOriginal(costingSheetId, subcontractorId, refId);
                        //DateTime originalEndDate = projectCostingSheetInformationRevenueInformationGateway.GetEndDateOriginal(costingSheetId, subcontractorId, refId);

                        ////original values
                        //string newUnitOfMeasurement = projectCostingSheetInformationRevenueInformationGateway.GetUnitOfMeasurement(costingSheetId, subcontractorId, refId);
                        //double newQuantity = projectCostingSheetInformationRevenueInformationGateway.GetQuantity(costingSheetId, subcontractorId, refId);
                        //decimal newCostCad = projectCostingSheetInformationRevenueInformationGateway.GetCostCad(costingSheetId, subcontractorId, refId);
                        //decimal newTotalCostCad = projectCostingSheetInformationRevenueInformationGateway.GetTotalCostCad(costingSheetId, subcontractorId, refId);
                        //decimal newCostUsd = projectCostingSheetInformationRevenueInformationGateway.GetCostUsd(costingSheetId, subcontractorId, refId);
                        //decimal newTotalCostUsd = projectCostingSheetInformationRevenueInformationGateway.GetTotalCostUsd(costingSheetId, subcontractorId, refId);
                        //DateTime newStartDate = projectCostingSheetInformationRevenueInformationGateway.GetStartDate(costingSheetId, subcontractorId, refId);
                        //DateTime newEndDate = projectCostingSheetInformationRevenueInformationGateway.GetEndDate(costingSheetId, subcontractorId, refId);

                        //ProjectCombinedCostingSheetRevenue subcontractors = new ProjectCombinedCostingSheetRevenue(null);
                        //subcontractors.UpdateDirect(costingSheetId, subcontractorId, refId, originalUnitOfMeasurement, originalQuantity, originalCostCad, originalTotalCostCad, originalCostUsd, originalTotalCostUsd, deleted, companyId, originalStartDate, originalEndDate, newUnitOfMeasurement, newQuantity, newCostCad, newTotalCostCad, newCostUsd, newTotalCostUsd, deleted, companyId, newStartDate, newEndDate);
                    }

                    // Delete costing sheet Revenue
                    if ((row.Deleted) && (row.InDatabase))
                    {
                        ProjectCombinedCostingSheetRevenue subcontractors = new ProjectCombinedCostingSheetRevenue(null);
                        subcontractors.DeleteDirect(row.CostingSheetID, row.RefIDRevenue, row.COMPANY_ID);
                    }
                }
            }
        }