protected void UnitsInformationEmptyFix(GridView grdView)
        {
            if (grdView.Rows.Count == 0)
            {
                int companyId = Int32.Parse(hdfCompanyId.Value);
                ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable dt = new ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable();
                dt.AddCombinedUnitsInformationRow(0, "", 0, 0, "", 0, 0, 0, 0, 0, false, companyId, false, "", "", DateTime.Now, DateTime.Now, "", "", 0, "");
                Session["unitsInformationDummy"] = dt;

                grdView.DataBind();
            }

            // Normally executes at all postbacks
            if (grdView.Rows.Count == 1)
            {
                ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable dt = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)Session["unitsInformationDummy"];
                if (dt != null)
                {
                    // Hide row
                    grdView.Rows[0].Visible = false;
                    grdView.Rows[0].Controls.Clear();
                }
            }
        }
        public ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable GetUnitsInformation()
        {
            unitsInformation = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)Session["unitsInformationDummy"];

            if (unitsInformation == null)
            {
                unitsInformation = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)Session["unitsInformation"];
            }

            return unitsInformation;
        }
        // ////////////////////////////////////////////////////////////////////////
        // 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"];
            }
        }
        protected void grdUnits_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            int projectId = Int32.Parse(hdfProjectId.Value);
            ProjectGateway projectGateway = new ProjectGateway();
            projectGateway.LoadByProjectId(projectId);

            if (projectGateway.GetCountryID(projectId) == 1) //Canada
            {
                Page.Validate("unitsCadEdit");
            }
            else
            {
                Page.Validate("unitsUsdEdit");
            }
            if (Page.IsValid)
            {
                Page.Validate("unitsEdit");
                if (Page.IsValid)
                {
                    int costingSheetId = (int)e.Keys["CostingSheetID"];
                    string work_ = (string)e.Keys["Work_"];
                    int unitId = (int)e.Keys["UnitID"];
                    int refId = (int)e.Keys["RefID"];
                    int companyId = Int32.Parse(hdfCompanyId.Value);
                    string unitOfMeasurement = ((DropDownList)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("ddlUnitOfMeasurementUnitsEdit")).SelectedValue;
                    double quantity = double.Parse(((TextBox)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("tbxQuantityEdit")).Text.Trim());
                    decimal costCad = 0;
                    decimal totalCostCad = 0;
                    decimal costUsd = 0;
                    decimal totalCostUsd = 0;
                    if (projectGateway.GetCountryID(projectId) == 1) //Canada
                    {
                        costCad = Decimal.Parse(((TextBox)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("tbxCostCADEdit")).Text.Trim());
                        totalCostCad = (costCad * decimal.Parse(quantity.ToString()));
                        totalCostCad = Decimal.Round(totalCostCad, 2);
                    }
                    else
                    {
                        costUsd = Decimal.Parse(((TextBox)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("tbxCostUSDEdit")).Text.Trim());
                        totalCostUsd = (costUsd * decimal.Parse(quantity.ToString()));
                        totalCostUsd = Decimal.Round(totalCostUsd, 2);
                    }
                    LFSLive.DA.FleetManagement.Units.UnitsGateway u = new LiquiForce.LFSLive.DA.FleetManagement.Units.UnitsGateway();
                    u.LoadByUnitId(unitId, companyId);
                    string unitDescription = u.GetDescription(unitId);
                    string unitCode = u.GetUnitCode(unitId);

                    DateTime startDate = ((RadDatePicker)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("tkrdpStartDateEdit")).SelectedDate.Value;
                    DateTime endDate = ((RadDatePicker)grdUnits.Rows[e.RowIndex].Cells[0].FindControl("tkrdpEndDateEdit")).SelectedDate.Value;

                    // Update data
                    ProjectCombinedCostingSheetInformationUnitsInformation model = new ProjectCombinedCostingSheetInformationUnitsInformation(projectCostingSheetInformationTDS);
                    model.Update(costingSheetId, work_, unitId, refId, unitOfMeasurement, quantity, costCad, totalCostCad, costUsd, totalCostUsd, false, companyId, unitCode, unitDescription, startDate, endDate);

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

                    StepTrucksEquipmentInformationProcessGrid();
                }
                else
                {
                    e.Cancel = true;
                }
            }
            else
            {
                e.Cancel = true;
            }
        }
        protected void grdUnits_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            // Units Gridview, if the gridview is edition mode
            if (grdUnits.EditIndex >= 0)
            {
                grdUnits.UpdateRow(grdUnits.EditIndex, true);
            }

            // Delete lateral
            int costingSheetId = (int)e.Keys["CostingSheetID"];
            string work_ = (string)e.Keys["Work_"];
            int unitId = (int)e.Keys["UnitID"];
            int refId = (int)e.Keys["RefID"];

            ProjectCombinedCostingSheetInformationUnitsInformation model = new ProjectCombinedCostingSheetInformationUnitsInformation(projectCostingSheetInformationTDS);

            // Delete cost
            model.Delete(costingSheetId, work_, unitId, refId);

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

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

                    // Validate general data
                    int projectId = Int32.Parse(hdfProjectId.Value);
                    ProjectGateway projectGateway = new ProjectGateway();
                    projectGateway.LoadByProjectId(projectId);

                    if (projectGateway.GetCountryID(projectId) == 1) //Canada
                    {
                        Page.Validate("unitsCadNew");
                    }
                    else
                    {
                        Page.Validate("unitsUsdNew");
                    }
                    if (Page.IsValid)
                    {
                        Page.Validate("unitsNew");
                        if (Page.IsValid)
                        {
                            int companyId = Int32.Parse(hdfCompanyId.Value);
                            string typeOfWork = ((DropDownList)grdUnits.FooterRow.FindControl("ddlTypeOfWork_New")).SelectedValue;
                            int unitId = Int32.Parse(((DropDownList)grdUnits.FooterRow.FindControl("ddlUnitCodeNew")).SelectedValue);
                            string unitCode = ((DropDownList)grdUnits.FooterRow.FindControl("ddlUnitCodeNew")).SelectedItem.Text;
                            string unitOfMeasurement = ((DropDownList)grdUnits.FooterRow.FindControl("ddlUnitOfMeasurementUnitsNew")).SelectedValue;
                            double quantity = double.Parse(((TextBox)grdUnits.FooterRow.FindControl("tbxQuantityNew")).Text.Trim());
                            decimal costCad = 0;
                            decimal totalCostCad = 0;
                            decimal costUsd = 0;
                            decimal totalCostUsd = 0;
                            if (projectGateway.GetCountryID(projectId) == 1) //Canada
                            {
                                costCad = Decimal.Parse(((TextBox)grdUnits.FooterRow.FindControl("tbxCostCADNew")).Text.Trim());
                                totalCostCad = (costCad * decimal.Parse(quantity.ToString()));
                                totalCostCad = Decimal.Round(totalCostCad, 2);
                            }
                            else
                            {
                                costUsd = Decimal.Parse(((TextBox)grdUnits.FooterRow.FindControl("tbxCostUSDNew")).Text.Trim());
                                totalCostUsd = (costUsd * decimal.Parse(quantity.ToString()));
                                totalCostUsd = Decimal.Round(totalCostUsd, 2);
                            }

                            LFSLive.DA.FleetManagement.Units.UnitsGateway u = new LiquiForce.LFSLive.DA.FleetManagement.Units.UnitsGateway();
                            u.LoadByUnitId(unitId, companyId);
                            string unitDescription = u.GetDescription(unitId);

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

                            ProjectCombinedCostingSheetInformationUnitsInformation model = new ProjectCombinedCostingSheetInformationUnitsInformation(projectCostingSheetInformationTDS);
                            model.Insert(0, typeOfWork, unitId, unitOfMeasurement, quantity, costCad, totalCostCad, costUsd, totalCostUsd, false, companyId, unitCode, unitDescription, startDate, endDate);

                            Session.Remove("unitsInformationDummy");
                            unitsInformation = (ProjectCostingSheetInformationTDS.CombinedUnitsInformationDataTable)model.Table;
                            Session["unitsInformation"] = unitsInformation;
                            Session["projectCostingSheetInformationTDS"] = projectCostingSheetInformationTDS;

                            grdUnits.DataBind();

                            StepTrucksEquipmentInformationProcessGrid();
                        }
                    }
                    break;
            }
        }