public ProjectCostingSheetInformationTDS.BondingsInformationDataTable GetBondingsInformation()
        {
            bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)Session["bondingsInformationDummy"];

            if (bondingsInformation == null)
            {
                bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)Session["bondingsInformation"];
            }

            return bondingsInformation;
        }
        // ////////////////////////////////////////////////////////////////////////
        // 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_costing_sheets_summary.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("materialsInformationDummy");
                Session.Remove("otherCostsInformationDummy");
                Session.Remove("revenueInformationDummy");

                Session.Remove("subcontractorsInformationDummy");
                Session.Remove("hotelsInformationDummy");
                Session.Remove("bondingsInformationDummy");
                Session.Remove("insurancesInformationDummy");
                Session.Remove("otherCategoryInformationDummy");

                // If coming from project_costing_sheets_navigator.aspx or project_costing_sheets_add.aspx
                if (Request.QueryString["source_page"] == "project_costing_sheets_navigator.aspx" || Request.QueryString["source_page"] == "project_costing_sheets_add.aspx")
                {
                    // Store Navigator State and Update control
                    StoreNavigatorState();
                    ViewState["update"] = "no";

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

                    // Get dataset
                    projectTDS = (ProjectTDS)Session["lfsProjectTDS"];
                    projectCostingSheetInformationTDS = new ProjectCostingSheetInformationTDS();
                    labourHoursInformation = new ProjectCostingSheetInformationTDS.LabourHoursInformationDataTable();
                    unitsInformation = new ProjectCostingSheetInformationTDS.UnitsInformationDataTable();
                    materialsInformation = new ProjectCostingSheetInformationTDS.MaterialsInformationDataTable();
                    otherCostsInformation = new ProjectCostingSheetInformationTDS.OtherCostsInformationDataTable();
                    revenueInformation = new ProjectCostingSheetInformationTDS.RevenueInformationDataTable();

                    subcontractorsInformation = new ProjectCostingSheetInformationTDS.SubcontractorsInformationDataTable();
                    hotelsInformation = new ProjectCostingSheetInformationTDS.HotelsInformationDataTable();
                    bondingsInformation = new ProjectCostingSheetInformationTDS.BondingsInformationDataTable();
                    insurancesInformation = new ProjectCostingSheetInformationTDS.InsurancesInformationDataTable();
                    otherCategoryInformation = new ProjectCostingSheetInformationTDS.OtherCategoryInformationDataTable();

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

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

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

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

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

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

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

                    ProjectCostingSheetInformationHotelsInformationGateway projectCostingSheetInformationHotelsInformationGateway = new ProjectCostingSheetInformationHotelsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationHotelsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCostingSheetInformationBondingsInformationGateway projectCostingSheetInformationBondingsInformationGateway = new ProjectCostingSheetInformationBondingsInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationBondingsInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCostingSheetInformationInsurancesInformationGateway projectCostingSheetInformationInsurancesInformationGateway = new ProjectCostingSheetInformationInsurancesInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationInsurancesInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    ProjectCostingSheetInformationOtherCategoryInformationGateway projectCostingSheetInformationOtherCategoryInformationGateway = new ProjectCostingSheetInformationOtherCategoryInformationGateway(projectCostingSheetInformationTDS);
                    projectCostingSheetInformationOtherCategoryInformationGateway.LoadByCostingSheetId(costingSheetId, companyId);

                    Session["lfsProjectTDS"] = projectTDS;
                    Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;
                    Session["labourHoursInformation"] = projectCostingSheetInformationTDS.LabourHoursInformation;
                    Session["unitsInformation"] = projectCostingSheetInformationTDS.UnitsInformation;
                    Session["materialsInformation"] = projectCostingSheetInformationTDS.MaterialsInformation;
                    Session["otherCostsInformation"] = projectCostingSheetInformationTDS.OtherCostsInformation;
                    Session["revenueInformation"] = projectCostingSheetInformationTDS.RevenueInformation;

                    Session["subcontractorsInformation"] = projectCostingSheetInformationTDS.SubcontractorsInformation;
                    Session["hotelsInformation"] = projectCostingSheetInformationTDS.HotelsInformation;
                    Session["bondingsInformation"] = projectCostingSheetInformationTDS.BondingsInformation;
                    Session["insurancesInformation"] = projectCostingSheetInformationTDS.InsurancesInformation;
                    Session["otherCategoryInformation"] = projectCostingSheetInformationTDS.OtherCategoryInformation;

                    labourHoursInformation = projectCostingSheetInformationTDS.LabourHoursInformation;
                    unitsInformation = projectCostingSheetInformationTDS.UnitsInformation;
                    materialsInformation = projectCostingSheetInformationTDS.MaterialsInformation;
                    otherCostsInformation = projectCostingSheetInformationTDS.OtherCostsInformation;
                    revenueInformation = projectCostingSheetInformationTDS.RevenueInformation;

                    subcontractorsInformation = projectCostingSheetInformationTDS.SubcontractorsInformation;
                    hotelsInformation = projectCostingSheetInformationTDS.HotelsInformation;
                    bondingsInformation = projectCostingSheetInformationTDS.BondingsInformation;
                    insurancesInformation = projectCostingSheetInformationTDS.InsurancesInformation;
                    otherCategoryInformation = projectCostingSheetInformationTDS.OtherCategoryInformation;
                }

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

                // ... left menu, project_costing_sheets_edit.aspx, project_costing_sheets_delete.aspx or project_costing_sheets_state.aspx
                if ((Request.QueryString["source_page"] == "lm") || (Request.QueryString["source_page"] == "project_costing_sheets_edit.aspx") || (Request.QueryString["source_page"] == "project_costing_sheets_delete.aspx") || (Request.QueryString["source_page"] == "project_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.LabourHoursInformationDataTable)Session["labourHoursInformation"];
                unitsInformation = (ProjectCostingSheetInformationTDS.UnitsInformationDataTable)Session["unitsInformation"];
                materialsInformation = (ProjectCostingSheetInformationTDS.MaterialsInformationDataTable)Session["materialsInformation"];
                otherCostsInformation = (ProjectCostingSheetInformationTDS.OtherCostsInformationDataTable)Session["otherCostsInformation"];
                revenueInformation = (ProjectCostingSheetInformationTDS.RevenueInformationDataTable)Session["revenueInformation"];

                subcontractorsInformation = (ProjectCostingSheetInformationTDS.SubcontractorsInformationDataTable)Session["subcontractorsInformation"];
                hotelsInformation = (ProjectCostingSheetInformationTDS.HotelsInformationDataTable)Session["hotelsInformation"];
                bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)Session["bondingsInformation"];
                insurancesInformation = (ProjectCostingSheetInformationTDS.InsurancesInformationDataTable)Session["insurancesInformation"];
                otherCategoryInformation = (ProjectCostingSheetInformationTDS.OtherCategoryInformationDataTable)Session["otherCategoryInformation"];

                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, Int32.Parse(hdfCompanyId.Value));
                lblTitleClientName.Text = "Client: " + companiesGateway.GetName(currentClientId);

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

                labourHoursInformation = (ProjectCostingSheetInformationTDS.LabourHoursInformationDataTable)Session["labourHoursInformation"];
                unitsInformation = (ProjectCostingSheetInformationTDS.UnitsInformationDataTable)Session["unitsInformation"];
                materialsInformation = (ProjectCostingSheetInformationTDS.MaterialsInformationDataTable)Session["materialsInformation"];
                otherCostsInformation = (ProjectCostingSheetInformationTDS.OtherCostsInformationDataTable)Session["otherCostsInformation"];
                revenueInformation = (ProjectCostingSheetInformationTDS.RevenueInformationDataTable)Session["revenueInformation"];

                subcontractorsInformation = (ProjectCostingSheetInformationTDS.SubcontractorsInformationDataTable)Session["subcontractorsInformation"];
                hotelsInformation = (ProjectCostingSheetInformationTDS.HotelsInformationDataTable)Session["hotelsInformation"];
                bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)Session["bondingsInformation"];
                insurancesInformation = (ProjectCostingSheetInformationTDS.InsurancesInformationDataTable)Session["insurancesInformation"];
                otherCategoryInformation = (ProjectCostingSheetInformationTDS.OtherCategoryInformationDataTable)Session["otherCategoryInformation"];
            }
        }
        protected void BondingsInformationEmptyFix(GridView grdView)
        {
            if (grdView.Rows.Count == 0)
            {
                int companyId = Int32.Parse(hdfCompanyId.Value);
                ProjectCostingSheetInformationTDS.BondingsInformationDataTable dt = new ProjectCostingSheetInformationTDS.BondingsInformationDataTable();
                dt.AddBondingsInformationRow(0, 0, 0, 0, false, companyId, false, "", DateTime.Now, DateTime.Now, 0, "");
                Session["bondingsInformationDummy"] = dt;

                grdView.DataBind();
            }

            // Normally executes at all postbacks
            if (grdView.Rows.Count == 1)
            {
                ProjectCostingSheetInformationTDS.BondingsInformationDataTable dt = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)Session["bondingsInformationDummy"];
                if (dt != null)
                {
                    // Hide row
                    grdView.Rows[0].Visible = false;
                    grdView.Rows[0].Controls.Clear();
                }
            }
        }
        protected void grdBondings_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            // Validate general data
            Page.Validate("bondingsEdit");

            if (Page.IsValid)
            {
                int costingSheetId = (int)e.Keys["CostingSheetID"];
                int bondingId = (int)e.Keys["BondingCompanyID"];
                int refId = (int)e.Keys["RefID"];

                int companyId = Int32.Parse(hdfCompanyId.Value);
                decimal rate = Decimal.Parse(((TextBox)grdBondings.Rows[e.RowIndex].Cells[0].FindControl("tbxRateEdit")).Text.Trim());
                DateTime startDate = ((RadDatePicker)grdBondings.Rows[e.RowIndex].Cells[0].FindControl("tkrdpStartDateEdit")).SelectedDate.Value;
                DateTime endDate = ((RadDatePicker)grdBondings.Rows[e.RowIndex].Cells[0].FindControl("tkrdpEndDateEdit")).SelectedDate.Value;

                // Update data
                ProjectCostingSheetInformationBondingsInformation model = new ProjectCostingSheetInformationBondingsInformation(projectCostingSheetInformationTDS);
                model.Update(costingSheetId, bondingId, refId, rate, false, companyId, startDate, endDate);

                // Store dataset
                bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)model.Table;
                Session["bondingsInformation"] = bondingsInformation;
                Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;

                StepBondingsInformationProcessGrid();
            }
            else
            {
                e.Cancel = true;
            }
        }
        protected void grdBondings_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            // Bondings Gridview, if the gridview is edition mode
            if (grdBondings.EditIndex >= 0)
            {
                grdBondings.UpdateRow(grdBondings.EditIndex, true);
            }

            // Delete bonding
            int costingSheetId = (int)e.Keys["CostingSheetID"];
            int bondingId = (int)e.Keys["BondingCompanyID"];
            int refId = (int)e.Keys["RefID"];

            ProjectCostingSheetInformationBondingsInformation model = new ProjectCostingSheetInformationBondingsInformation(projectCostingSheetInformationTDS);
            model.Delete(costingSheetId, bondingId, refId);

            // Store dataset
            bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)model.Table;
            Session["bondingsInformation"] = bondingsInformation;
            Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;

            StepBondingsInformationProcessGrid();
        }
        ///////////////////////////////
        protected void grdBondings_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            switch (e.CommandName)
            {
                case "Add":
                    // Bondings Gridview, if the gridview is edition mode
                    if (grdBondings.EditIndex >= 0)
                    {
                        grdBondings.UpdateRow(grdBondings.EditIndex, true);
                    }

                    // Validate general data
                    Page.Validate("bondingsNew");

                    if (Page.IsValid)
                    {
                        int companyId = Int32.Parse(hdfCompanyId.Value);
                        int bondingId = Int32.Parse(((DropDownList)grdBondings.FooterRow.FindControl("ddlBondingNew")).SelectedValue);
                        string bonding = ((DropDownList)grdBondings.FooterRow.FindControl("ddlBondingNew")).SelectedItem.Text;
                        decimal rate = Decimal.Parse(((TextBox)grdBondings.FooterRow.FindControl("tbxRateNew")).Text.Trim());

                        DateTime startDate = ((RadDatePicker)grdBondings.FooterRow.FindControl("tkrdpStartDateNew")).SelectedDate.Value;
                        DateTime endDate = ((RadDatePicker)grdBondings.FooterRow.FindControl("tkrdpEndDateNew")).SelectedDate.Value;

                        ProjectCostingSheetInformationBondingsInformation model = new ProjectCostingSheetInformationBondingsInformation(projectCostingSheetInformationTDS);
                        model.Insert(0, bondingId, rate, false, companyId, bonding, startDate, endDate);

                        Session.Remove("bondingsInformationDummy");
                        bondingsInformation = (ProjectCostingSheetInformationTDS.BondingsInformationDataTable)model.Table;
                        Session["bondingsInformation"] = bondingsInformation;
                        Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;

                        grdBondings.DataBind();

                        StepBondingsInformationProcessGrid();
                    }
                    break;
            }
        }