// ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            // Register client scripts
            this.RegisterClientScripts();

            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_VIEW"]) && (Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_EDIT"]) || Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_COMMENTS"]))))
                {
                    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["unit_id"] == null) || ((string)Request.QueryString["unit_type"] == null) || ((string)Request.QueryString["unit_state"] == null) || ((string)Request.QueryString["active_tab"] == null))
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in units_edit.aspx");
                }

                // Tag Page
                hdfUnitId.Value = Request.QueryString["unit_id"].ToString();
                hdfUnitType.Value = Request.QueryString["unit_type"].ToString();
                hdfUnitState.Value = Request.QueryString["unit_state"].ToString();
                hdfActiveTab.Value = Request.QueryString["active_tab"].ToString();
                hdfCompanyId.Value = Session["companyID"].ToString();
                hdfLoginId.Value = Convert.ToInt32(Session["loginID"]).ToString();

                int companyId = Int32.Parse(hdfCompanyId.Value.Trim());
                int unitId = Int32.Parse(hdfUnitId.Value.Trim());

                aceManufacturer.ContextKey = hdfCompanyId.Value;

                // ... For Owner country
                CountryList countryList = new CountryList();
                countryList.LoadAndAddItem(-1, "(Select a country)");
                ddlOwnerCountry.DataSource = countryList.Table;
                ddlOwnerCountry.DataValueField = "CountryID";
                ddlOwnerCountry.DataTextField = "Name";
                ddlOwnerCountry.DataBind();

                // ... For License country
                ddlLicenseCountry.DataSource = countryList.Table;
                ddlLicenseCountry.DataValueField = "CountryID";
                ddlLicenseCountry.DataTextField = "Name";
                ddlLicenseCountry.DataBind();

                Session.Remove("unitsChecklistRulesTempDummy");
                Session.Remove("unitsServicesTempDummy");
                Session.Remove("unitsInspectionsTempDummy");
                Session.Remove("unitsNotesTempDummy");
                Session.Remove("unitCostsDummy");
                Session.Remove("unitCostsExceptionsDummy");
                Session.Remove("costIdSelected");

                // ... units_navigator2.aspx
                if (Request.QueryString["source_page"] == "units_navigator2.aspx")
                {
                    StoreNavigatorState();
                    ViewState["update"] = "no";

                    // ... Set initial tab
                    if ((string)Session["dialogOpenedUnits"] != "1")
                    {
                        hdfActiveTab.Value = Request.QueryString["active_tab"];

                        unitInformationTDS = new UnitInformationTDS();
                        unitsChecklistRulesTemp = new UnitInformationTDS.ChecklistDetailsDataTable();
                        unitsServicesTemp = new UnitInformationTDS.ServiceDetailsDataTable();
                        unitsInspectionsTemp = new UnitInformationTDS.InspectionDetailsDataTable();
                        unitsNotesTemp = new UnitInformationTDS.NoteInformationDataTable();

                        UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                        unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                        UnitInformationInspectionDetails unitInformationInspectionDetailsForEdit = new UnitInformationInspectionDetails(unitInformationTDS);
                        unitInformationInspectionDetailsForEdit.LoadByUnitId(unitId, companyId);

                        UnitInformationNoteDetails unitInformationNoteDetailsForEdit = new UnitInformationNoteDetails(unitInformationTDS);
                        unitInformationNoteDetailsForEdit.LoadByUnitId(unitId, companyId);

                        UnitInformationCostInformation unitInformationCostInformation = new UnitInformationCostInformation(unitInformationTDS);
                        unitInformationCostInformation.LoadAllByUnitId(unitId, companyId);

                        UnitInformationCostExceptionsInformation unitInformationCostExceptionsInformation = new UnitInformationCostExceptionsInformation(unitInformationTDS);
                        unitInformationCostExceptionsInformation.LoadAllByUnitId(unitId, companyId);

                        // ... For Categories
                        categoriesTDS = new CategoriesTDS();
                        Category category = new Category(categoriesTDS);
                        category.LoadByUnitType(hdfUnitType.Value, int.Parse(hdfCompanyId.Value));

                        // .. For Company Levels
                        companyLevelsTDS = new CompanyLevelsTDS();
                        CompanyLevel companyLevel = new CompanyLevel(companyLevelsTDS);
                        companyLevel.Load(int.Parse(hdfCompanyId.Value));
                    }
                    else
                    {
                        hdfActiveTab.Value = (string)Session["activeTabUnits"];

                        // Restore datasets
                        unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                        unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                        unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                        unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                        unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                        categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                        companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];
                    }

                    arrayCategoriesSelectedForEdit = new ArrayList();
                    arrayCompanyLevelsSelectedForEdit = new ArrayList();
                    Session["arrayCategoriesSelectedForEdit"] = arrayCategoriesSelectedForEdit;
                    Session["arrayCompanyLevelsSelectedForEdit"] = arrayCompanyLevelsSelectedForEdit;

                    // Store dataset
                    Session["unitInformationTDS"] = unitInformationTDS;
                    Session["unitsChecklistRulesTemp"] = unitsChecklistRulesTemp;
                    Session["unitsServicesTemp"] = unitsServicesTemp;
                    Session["unitsInspectionsTemp"] = unitsInspectionsTemp;
                    Session["unitsNotesTemp"] = unitsNotesTemp;
                    Session["categoriesTDSForUnits"] = categoriesTDS;
                    Session["companyLevelsTDS"] = companyLevelsTDS;
                }

                // ... units_summary.aspx or units_edit.aspx
                if ((Request.QueryString["source_page"] == "units_summary.aspx") || (Request.QueryString["source_page"] == "units_edit.aspx"))
                {
                    StoreNavigatorState();
                    ViewState["update"] = Request.QueryString["update"];

                    // Restore dataset
                    unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                    unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                    unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                    unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                    unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                    categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                    companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];

                    // ... Set initial tab
                    if ((string)Session["dialogOpenedUnits"] != "1")
                    {
                        hdfActiveTab.Value = Request.QueryString["active_tab"];

                        if (ViewState["update"].ToString().Trim() == "yes")
                        {
                            UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                            unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                            UnitInformationInspectionDetails unitInformationInspectionDetailsForEdit = new UnitInformationInspectionDetails(unitInformationTDS);
                            unitInformationInspectionDetailsForEdit.LoadByUnitId(unitId, companyId);

                            UnitInformationNoteDetails unitInformationNoteDetailsForEdit = new UnitInformationNoteDetails(unitInformationTDS);
                            unitInformationNoteDetailsForEdit.LoadByUnitId(unitId, companyId);

                            UnitInformationCostInformation unitInformationCostInformation = new UnitInformationCostInformation(unitInformationTDS);
                            unitInformationCostInformation.LoadAllByUnitId(unitId, companyId);

                            UnitInformationCostExceptionsInformation unitInformationCostExceptionsInformation = new UnitInformationCostExceptionsInformation(unitInformationTDS);
                            unitInformationCostExceptionsInformation.LoadAllByUnitId(unitId, companyId);

                            // Store dataset
                            Session["unitInformationTDS"] = unitInformationTDS;
                        }
                    }
                    else
                    {
                        hdfActiveTab.Value = (string)Session["activeTabUnits"];
                    }

                    arrayCategoriesSelectedForEdit = new ArrayList();
                    arrayCompanyLevelsSelectedForEdit = new ArrayList();
                    Session["arrayCategoriesSelectedForEdit"] = arrayCategoriesSelectedForEdit;
                    Session["arrayCompanyLevelsSelectedForEdit"] = arrayCompanyLevelsSelectedForEdit;
                }

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

                    unitInformationTDS = new UnitInformationTDS();
                    unitsChecklistRulesTemp = new UnitInformationTDS.ChecklistDetailsDataTable();
                    unitsServicesTemp = new UnitInformationTDS.ServiceDetailsDataTable();
                    unitsInspectionsTemp = new UnitInformationTDS.InspectionDetailsDataTable();
                    unitsNotesTemp = new UnitInformationTDS.NoteInformationDataTable();

                    UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                    unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                    UnitInformationNoteDetails unitInformationNoteDetailsForEdit = new UnitInformationNoteDetails(unitInformationTDS);
                    unitInformationNoteDetailsForEdit.LoadByUnitId(unitId, companyId);

                    // ... For Categories
                    categoriesTDS = new CategoriesTDS();
                    Category category = new Category(categoriesTDS);
                    category.LoadByUnitType(hdfUnitType.Value, int.Parse(hdfCompanyId.Value));

                    // .. For Company Levels
                    companyLevelsTDS = new CompanyLevelsTDS();
                    CompanyLevel companyLevel = new CompanyLevel(companyLevelsTDS);
                    companyLevel.Load(int.Parse(hdfCompanyId.Value));

                    arrayCategoriesSelectedForEdit = new ArrayList();
                    arrayCompanyLevelsSelectedForEdit = new ArrayList();
                    Session["arrayCategoriesSelectedForEdit"] = arrayCategoriesSelectedForEdit;
                    Session["arrayCompanyLevelsSelectedForEdit"] = arrayCompanyLevelsSelectedForEdit;

                    // Store dataset
                    Session["unitInformationTDS"] = unitInformationTDS;
                    Session["unitsChecklistRulesTemp"] = unitsChecklistRulesTemp;
                    Session["unitsServicesTemp"] = unitsServicesTemp;
                    Session["unitsInspectionsTemp"] = unitsInspectionsTemp;
                    Session["unitsNotesTemp"] = unitsNotesTemp;
                    Session["categoriesTDSForUnits"] = categoriesTDS;
                    Session["companyLevelsTDS"] = companyLevelsTDS;
                }

                // ... For Library
                if (Session["libraryTDSForUnits"] != null)
                {
                    libraryTDSForUnits = (LibraryTDS)Session["libraryTDSForUnits"];
                }
                else
                {
                    libraryTDSForUnits = new LibraryTDS();
                }

                Session["costIdSelected"] = 0;
                grdCostsExceptions.ShowFooter = false;
                string filterOptions = string.Format("CostID = {0} AND Deleted = {1}", 0, 0);
                odsCostsExceptions.FilterExpression = filterOptions;

                // Set initial tab
                int activeTabUnits = Int32.Parse(hdfActiveTab.Value);
                tcDetailedInformation.ActiveTabIndex = activeTabUnits;

                // ... ... Make panels visible
                MakePanelsVisible();

                // ... ... Data for current unit
                LoadUnitData(companyId);
            }
            else
            {
                // Restore datasets
                unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];

                arrayCategoriesSelectedForEdit = (ArrayList)Session["arrayCategoriesSelectedForEdit"];
                arrayCompanyLevelsSelectedForEdit = (ArrayList)Session["arrayCompanyLevelsSelectedForEdit"];

                // Set initial tab
                int activeTabUnits = Int32.Parse(hdfActiveTab.Value);
                tcDetailedInformation.ActiveTabIndex = activeTabUnits;

                aceManufacturer.ContextKey = hdfCompanyId.Value;

                if (Session["libraryTDSForUnits"] != null)
                {
                    libraryTDSForUnits = (LibraryTDS)Session["libraryTDSForUnits"];
                }
                else
                {
                    libraryTDSForUnits = new LibraryTDS();
                }

                LoadNotes();
            }
        }
        // ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            // Register client scripts
            this.RegisterClientScripts();

            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_VIEW"]) && (Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_EDIT"]) || Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_COMMENTS"]))))
                {
                    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["unit_id"] == null) || ((string)Request.QueryString["unit_type"] == null) || ((string)Request.QueryString["unit_state"] == null)  || ((string)Request.QueryString["active_tab"] == null))
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in units_summary.aspx");
                }

                // Tag Page
                hdfUnitId.Value = Request.QueryString["unit_id"].ToString();
                hdfUnitType.Value = Request.QueryString["unit_type"].ToString();
                hdfUnitState.Value = Request.QueryString["unit_state"].ToString();
                hdfActiveTab.Value = Request.QueryString["active_tab"].ToString();
                hdfCompanyId.Value = Session["companyID"].ToString();
                hdfLoginId.Value = Convert.ToInt32(Session["loginID"]).ToString();

                int companyId = Int32.Parse(hdfCompanyId.Value.Trim());
                int unitId = Int32.Parse(hdfUnitId.Value.Trim());

                Session.Remove("unitsChecklistRulesTempDummy");
                Session.Remove("unitsServicesTempDummy");
                Session.Remove("unitsInspectionsTempDummy");
                Session.Remove("unitsNotesTempDummy");
                Session.Remove("unitsCostsDummy");
                Session.Remove("unitsCostsExceptionsDummy");
                Session.Remove("costIdSelected");

                // If coming from
                // ... units_navigator2.aspx or wucAlarms.ascx.cs
                if ((Request.QueryString["source_page"] == "units_navigator2.aspx") || (Request.QueryString["source_page"] == "wucAlarms.ascx"))
                {
                    StoreNavigatorState();
                    ViewState["update"] = "no";

                    // ... ... Set initial tab
                    if ((string)Session["dialogOpenedUnits"] != "1")
                    {
                        hdfActiveTab.Value = Request.QueryString["active_tab"];

                        unitInformationTDS = new UnitInformationTDS();
                        unitsChecklistRulesTemp = new UnitInformationTDS.ChecklistDetailsDataTable();
                        unitsServicesTemp = new UnitInformationTDS.ServiceDetailsDataTable();
                        unitsInspectionsTemp = new UnitInformationTDS.InspectionDetailsDataTable();
                        unitsNotesTemp = new UnitInformationTDS.NoteInformationDataTable();

                        UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                        unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                        UnitInformationInspectionDetails unitInformationInspectionDetailsForEdit = new UnitInformationInspectionDetails(unitInformationTDS);
                        unitInformationInspectionDetailsForEdit.LoadByUnitId(unitId, companyId);

                        UnitInformationNoteDetails unitInformationNoteDetails = new UnitInformationNoteDetails(unitInformationTDS);
                        unitInformationNoteDetails.LoadByUnitId(unitId, companyId);

                        UnitInformationCostInformation unitInformationCostInformation = new UnitInformationCostInformation(unitInformationTDS);
                        unitInformationCostInformation.LoadAllByUnitId(unitId, companyId);

                        UnitInformationCostExceptionsInformation unitInformationCostExceptionsInformation = new UnitInformationCostExceptionsInformation(unitInformationTDS);
                        unitInformationCostExceptionsInformation.LoadAllByUnitId(unitId, companyId);

                        Session["costIdSelected"] = 0;

                        // ... For Categories
                        categoriesTDS = new CategoriesTDS();
                        Category category = new Category(categoriesTDS);
                        category.LoadByUnitType(hdfUnitType.Value, int.Parse(hdfCompanyId.Value));

                        // .. For Company Levels
                        companyLevelsTDS = new CompanyLevelsTDS();
                        CompanyLevel companyLevel = new CompanyLevel(companyLevelsTDS);
                        companyLevel.Load(int.Parse(hdfCompanyId.Value));
                    }
                    else
                    {
                        hdfActiveTab.Value = (string)Session["activeTabUnits"];

                        // Restore datasets
                        unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                        unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                        unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                        unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                        unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                        categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                        companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];
                    }

                    tcDetailedInformation.ActiveTabIndex = Int32.Parse(hdfActiveTab.Value);

                    // Store dataset
                    Session["unitInformationTDS"] = unitInformationTDS;
                    Session["unitsChecklistRulesTemp"] = unitsChecklistRulesTemp;
                    Session["unitsServicesTemp"] = unitsServicesTemp;
                    Session["unitsInspectionsTemp"] = unitsInspectionsTemp;
                    Session["unitsNotesTemp"] = unitsNotesTemp;
                    Session["categoriesTDSForUnits"] = categoriesTDS;
                    Session["companyLevelsTDS"] = companyLevelsTDS;
                }

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

                    hdfActiveTab.Value = Request.QueryString["active_tab"];

                    unitInformationTDS = new UnitInformationTDS();
                    unitsChecklistRulesTemp = new UnitInformationTDS.ChecklistDetailsDataTable();
                    unitsServicesTemp = new UnitInformationTDS.ServiceDetailsDataTable();
                    unitsInspectionsTemp = new UnitInformationTDS.InspectionDetailsDataTable();
                    unitsNotesTemp = new UnitInformationTDS.NoteInformationDataTable();

                    UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                    unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                    UnitInformationNoteDetails unitInformationNoteDetails = new UnitInformationNoteDetails(unitInformationTDS);
                    unitInformationNoteDetails.LoadByUnitId(unitId, companyId);

                    // ... For Categories
                    categoriesTDS = new CategoriesTDS();
                    Category category = new Category(categoriesTDS);
                    category.LoadByUnitType(hdfUnitType.Value, int.Parse(hdfCompanyId.Value));

                    // .. For Company Levels
                    companyLevelsTDS = new CompanyLevelsTDS();
                    CompanyLevel companyLevel = new CompanyLevel(companyLevelsTDS);
                    companyLevel.Load(int.Parse(hdfCompanyId.Value));

                    tcDetailedInformation.ActiveTabIndex = Int32.Parse(hdfActiveTab.Value);

                    // Store dataset
                    Session["unitInformationTDS"] = unitInformationTDS;
                    Session["unitsChecklistRulesTemp"] = unitsChecklistRulesTemp;
                    Session["unitsServicesTemp"] = unitsServicesTemp;
                    Session["unitsInspectionsTemp"] = unitsInspectionsTemp;
                    Session["unitsNotesTemp"] = unitsNotesTemp;
                    Session["categoriesTDSForUnits"] = categoriesTDS;
                    Session["companyLevelsTDS"] = companyLevelsTDS;
                }

                // ... units_delete.aspx, units_edit.aspx or units_state.aspx
                if ((Request.QueryString["source_page"] == "units_delete.aspx") || (Request.QueryString["source_page"] == "units_edit.aspx") || (Request.QueryString["source_page"] == "units_state.aspx") )
                {
                    StoreNavigatorState();
                    ViewState["update"] = Request.QueryString["update"];

                    // Restore dataset
                    unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                    unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                    unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                    unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                    unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                    categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                    companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];

                    // ... Set initial tab
                    if ((string)Session["dialogOpenedUnits"] != "1")
                    {
                        hdfActiveTab.Value = Request.QueryString["active_tab"];
                    }
                    else
                    {
                        hdfActiveTab.Value = (string)Session["activeTabUnits"];
                    }

                    tcDetailedInformation.ActiveTabIndex = Int32.Parse(hdfActiveTab.Value);
                }

                string filterOptions = string.Format("CostID = {0} AND Deleted = {1}", 0, 0);
                odsCostsExceptions.FilterExpression = filterOptions;

                // ... Data for current unit
                LoadUnitData(unitId, companyId);
            }
            else
            {
                // Restore datasets
                unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                unitsChecklistRulesTemp = (UnitInformationTDS.ChecklistDetailsDataTable)Session["unitsChecklistRulesTemp"];
                unitsServicesTemp = (UnitInformationTDS.ServiceDetailsDataTable)Session["unitsServicesTemp"];
                unitsInspectionsTemp = (UnitInformationTDS.InspectionDetailsDataTable)Session["unitsInspectionsTemp"];
                unitsNotesTemp = (UnitInformationTDS.NoteInformationDataTable)Session["unitsNotesTemp"];
                categoriesTDS = (CategoriesTDS)Session["categoriesTDSForUnits"];
                companyLevelsTDS = (CompanyLevelsTDS)Session["companyLevelsTDS"];

                // Set initial tab
                int activeTabUnits = Int32.Parse(hdfActiveTab.Value);
                tcDetailedInformation.ActiveTabIndex = activeTabUnits;
            }
        }
        // ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            // Register client scripts
            this.RegisterClientScripts();

            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_VIEW"]) && Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_UNITS_DELETE"])))
                {
                    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["unit_id"] == null) || ((string)Request.QueryString["unit_type"] == null) || ((string)Request.QueryString["unit_state"] == null) || ((string)Request.QueryString["active_tab"] == null))
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in units_delete.aspx");
                }

                // Tag Page
                hdfUnitId.Value = Request.QueryString["unit_id"].ToString();
                hdfUnitType.Value = Request.QueryString["unit_type"].ToString();
                hdfUnitState.Value = Request.QueryString["unit_state"].ToString();
                hdfCompanyId.Value = Session["companyID"].ToString();

                int companyId = Int32.Parse(hdfCompanyId.Value.Trim());
                int unitId = Int32.Parse(hdfUnitId.Value.Trim());

                // If comming from
                // ... units_navigator2.aspx
                if (Request.QueryString["source_page"] == "units_navigator2.aspx")
                {
                    StoreNavigatorState();
                    ViewState["update"] = "no";

                    unitInformationTDS = new UnitInformationTDS();

                    UnitInformationUnitDetails unitInformationUnitDetails = new UnitInformationUnitDetails(unitInformationTDS);
                    unitInformationUnitDetails.LoadByUnitId(unitId, companyId);

                    UnitInformationChecklistDetails unitInformationChecklistDetails = new UnitInformationChecklistDetails(unitInformationTDS);
                    unitInformationChecklistDetails.Load(unitId, companyId);

                    UnitInformationServiceDetails unitInformationServiceDetails = new UnitInformationServiceDetails(unitInformationTDS);
                    unitInformationServiceDetails.Load(unitId, companyId);

                    UnitInformationInspectionDetails unitInformationInspectionDetails = new UnitInformationInspectionDetails(unitInformationTDS);
                    unitInformationInspectionDetails.LoadByUnitId(unitId, companyId);

                    UnitInformationCostExceptionsInformation unitInformationCostExceptionsInformation = new UnitInformationCostExceptionsInformation(unitInformationTDS);
                    unitInformationCostExceptionsInformation.LoadAllByUnitId(unitId, companyId);

                    UnitInformationCostInformation unitInformationCostInformation = new UnitInformationCostInformation(unitInformationTDS);
                    unitInformationCostInformation.LoadAllByUnitId(unitId, companyId);

                    // Store dataset
                    Session["unitInformationTDS"] = unitInformationTDS;
                }

                // ... units_summary.aspx
                if (Request.QueryString["source_page"] == "units_summary.aspx")
                {
                    StoreNavigatorState();
                    ViewState["update"] = Request.QueryString["update"];

                    // Restore datasets
                    unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
                }
            }
            else
            {
                // Restore datasets
                unitInformationTDS = (UnitInformationTDS)Session["unitInformationTDS"];
            }
        }