private void LoadData()
        {
            int companyId = Int32.Parse(hdfCompanyId.Value);
            int loginId = Convert.ToInt32(Session["loginID"]);
            EmployeeGateway employeeGateway = new EmployeeGateway(new DataSet());
            int employeeId = employeeGateway.GetEmployeIdByLoginId(loginId);
            string period = ddlPeriod.SelectedItem.Value.ToString();
            int companyLevelId = Int32.Parse(ddlWorkingLocation.SelectedValue);

            dashboardItemsAboutToExpireTDS = (DashboardTDS)HttpContext.Current.Session["dashboardItemsAboutToExpireTDS"];
            DashboardItemsAboutToExpire model = new DashboardItemsAboutToExpire(dashboardItemsAboutToExpireTDS);

            if (Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_SERVICES_ADMIN"]))
            {
                if (companyLevelId == 0)
                {
                    if (ddlType.SelectedValue != "(All)")
                    {
                        model.LoadAllItemsAboutToExpireByUnitType(period, companyId, ddlType.SelectedValue);
                    }
                    else
                    {
                        model.LoadAllItemsAboutToExpire(period, companyId);
                    }
                }
                else
                {
                    if (ddlType.SelectedValue != "(All)")
                    {
                        model.LoadAllItemsAboutToExpireByCompanyLevelIdUnitType(period, companyId, companyLevelId, ddlType.SelectedValue);
                    }
                    else
                    {
                        model.LoadAllItemsAboutToExpireByCompanyLevelId(period, companyId, companyLevelId);
                    }
                }
            }
            else
            {
                if (companyLevelId == 0)
                {
                    if (ddlType.SelectedValue != "(All)")
                    {
                        model.LoadAllItemsAboutToExpireByAssignTeamMemberIDUnitType(period, employeeId, companyId, ddlType.SelectedValue);
                    }
                    else
                    {
                        // ... Load for assigned employee
                        model.LoadAllItemsAboutToExpireByAssignTeamMemberID(period, employeeId, companyId);
                    }
                }
                else
                {
                    if (ddlType.SelectedValue != "(All)")
                    {
                        model.LoadAllItemsAboutToExpireByAssignTeamMemberIDCompanyLevelIdUnitType(period, employeeId, companyId, companyLevelId, ddlType.SelectedValue);
                    }
                    else
                    {
                        model.LoadAllItemsAboutToExpireByAssignTeamMemberIDCompanyLevelId(period, employeeId, companyId, companyLevelId);
                    }
                }
            }

            model.UpdateForDashboard(companyId);

            HttpContext.Current.Session.Add("dashboardItemsAboutToExpireTDS", dashboardItemsAboutToExpireTDS);

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

            if (!IsPostBack)
            {
                // Security check
                if (!(Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_SERVICES_VIEW"]) && Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_SERVICES_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)
                {
                    Response.Redirect("./../../error_page.aspx?error=" + "Invalid query string in wucItemsAboutToExpire.ascx");
                }

                // Tag page
                hdfCompanyId.Value = Session["companyID"].ToString();

                // Prepare initial data
                HttpContext.Current.Session.Remove("dashboardItemsAboutToExpireDummy");
                ArrayList arrayListWidgetData = (ArrayList)HttpContext.Current.Session["itemsAboutToExpireWidget"];

                // If coming from
                // ... Out
                if (Request.QueryString["source_page"] == "out")
                {
                    CompanyLevelsManagersGateway companyLevelsManagersGateway = new CompanyLevelsManagersGateway();

                    int loginId = Convert.ToInt32(Session["loginID"]);
                    EmployeeGateway employeeGateway = new EmployeeGateway(new DataSet());
                    int employeeId = employeeGateway.GetEmployeIdByLoginId(loginId);

                    // ... For Grid
                    int companyId = Int32.Parse(hdfCompanyId.Value);
                    int companyLevelId = companyLevelsManagersGateway.GetCompanyLevelId(employeeId, companyId);
                    string period = "0 days";

                    // ... For ddl working location
                    companyLevelsItemsAboutToExpiredTDS = new CompanyLevelsTDS();

                    CompanyLevel companyLevel = new CompanyLevel(companyLevelsItemsAboutToExpiredTDS);
                    companyLevel.LoadNodes(companyId);

                    GetNodeForCompanyLevel(1);

                    ddlWorkingLocation.Items.Insert(0, new ListItem("(All)", "0"));

                    if (HttpContext.Current.Session["itemsAboutToExpireWidget"] != null)
                    {
                        ddlWorkingLocation.SelectedIndex = Convert.ToInt32(arrayListWidgetData[0].ToString());
                        ddlType.SelectedIndex = Convert.ToInt32(arrayListWidgetData[1].ToString());
                        ddlPeriod.SelectedIndex = Convert.ToInt32(arrayListWidgetData[3].ToString());

                        companyLevelId = Convert.ToInt32(ddlWorkingLocation.SelectedValue);
                        period = ddlPeriod.SelectedValue;
                    }
                    else
                    {
                        ddlWorkingLocation.SelectedValue = companyLevelId.ToString();
                        ddlPeriod.SelectedValue = period;
                    }

                    dashboardItemsAboutToExpireTDS = new DashboardTDS();
                    DashboardItemsAboutToExpire model = new DashboardItemsAboutToExpire(dashboardItemsAboutToExpireTDS);

                    // ... Load for admin
                    if (Convert.ToBoolean(Session["sgLFS_FLEETMANAGEMENT_SERVICES_ADMIN"]))
                    {
                        if (companyLevelId == 0)
                        {
                            if (ddlType.SelectedValue != "(All)")
                            {
                                model.LoadAllItemsAboutToExpireByUnitType(period, companyId, ddlType.SelectedValue);
                            }
                            else
                            {
                                model.LoadAllItemsAboutToExpire(period, companyId);
                            }
                        }
                        else
                        {
                            if (ddlType.SelectedValue != "(All)")
                            {
                                model.LoadAllItemsAboutToExpireByCompanyLevelIdUnitType(period, companyId, companyLevelId, ddlType.SelectedValue);
                            }
                            else
                            {
                                model.LoadAllItemsAboutToExpireByCompanyLevelId(period, companyId, companyLevelId);
                            }
                        }
                    }
                    else
                    {
                        if (companyLevelId == 0)
                        {
                            if (ddlType.SelectedValue != "(All)")
                            {
                                model.LoadAllItemsAboutToExpireByAssignTeamMemberIDUnitType(period, employeeId, companyId, ddlType.SelectedValue);
                            }
                            else
                            {
                                // ... Load for assigned employee
                                model.LoadAllItemsAboutToExpireByAssignTeamMemberID(period, employeeId, companyId);
                            }
                        }
                        else
                        {
                            if (ddlType.SelectedValue != "(All)")
                            {
                                model.LoadAllItemsAboutToExpireByAssignTeamMemberIDCompanyLevelIdUnitType(period, employeeId, companyId, companyLevelId, ddlType.SelectedValue);
                            }
                            else
                            {
                                model.LoadAllItemsAboutToExpireByAssignTeamMemberIDCompanyLevelId(period, employeeId, companyId, companyLevelId);
                            }
                        }
                    }

                    model.UpdateForDashboard(companyId);

                    // ... Store datasets
                    HttpContext.Current.Session.Add("dashboardItemsAboutToExpireTDS", dashboardItemsAboutToExpireTDS);
                    HttpContext.Current.Session.Add("companyLevelsItemsAboutToExpiredTDS", companyLevelsItemsAboutToExpiredTDS);
                }
            }
            else
            {
                // Prepare initial data
                HttpContext.Current.Session.Remove("dashboardItemsAboutToExpireDummy");

                // Restore dataset
                dashboardItemsAboutToExpireTDS = (DashboardTDS)HttpContext.Current.Session["dashboardItemsAboutToExpireTDS"];
                companyLevelsItemsAboutToExpiredTDS = (CompanyLevelsTDS)HttpContext.Current.Session["companyLevelsItemsAboutToExpiredTDS"];
            }
        }