protected void Page_Load(object sender, EventArgs e)
        {
            Account LoginUser = Session[SessionKeys.LOGININFO] as Account;
            WorkTypePieChartIndexPresenter workTypePieChartIndexPresenter =
                new WorkTypePieChartIndexPresenter(this, LoginUser);

            workTypePieChartIndexPresenter.InitPresent(IsPostBack);
            workTypePieChartIndexPresenter.StatisticsEmployee(null, null);
        }
        override protected void OnInit(EventArgs e)
        {
            base.OnInit(e);
            Account LoginUser = Session[SessionKeys.LOGININFO] as Account;
            WorkTypePieChartIndexPresenter workTypePieChartIndexPresenter =
                new WorkTypePieChartIndexPresenter(this, LoginUser);

            workTypePieChartIndexPresenter.InitPresent(false);
        }