protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Helpers.AddMeta(Page);

            if (WebWindow.CurrentRequestWindow != null)
            {
                WebWindow.CurrentRequestWindow.PagePreRender += new EventHandler(CurrentRequestWindow_PagePreRender);
                if (Helpers.ContentHelper.Manager == null)
                {
                    Helpers.ContentHelper.Manager = (Page as BaseXafPage).CallbackManager;
                }

                var menuHandler = new XAF_Bootstrap.Controls.CallbackHandler();
                menuHandler.Register("MenuItemClickControllerCallback");

                menuHandler.OnCallback += menuHandler_OnCallback;

                var app = (WebApplication.Instance as XafApplication);
                if (app.MainWindow != null)
                {
                    GenerateMenuItems(app.MainWindow.GetController <ShowNavigationItemController>().ShowNavigationItemAction.Items);
                }
            }
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Helpers.AddMeta(Page);

            if (WebWindow.CurrentRequestWindow != null)
            {
                WebWindow.CurrentRequestWindow.PagePreRender += new EventHandler(CurrentRequestWindow_PagePreRender);
                if (Helpers.ContentHelper.Manager == null)
                    Helpers.ContentHelper.Manager = (Page as BaseXafPage).CallbackManager;

                var menuHandler = new XAF_Bootstrap.Controls.CallbackHandler();
                menuHandler.Register("MenuItemClickControllerCallback");

                menuHandler.OnCallback += menuHandler_OnCallback;

                var app = (WebApplication.Instance as XafApplication);
                if (app.MainWindow != null)
                    GenerateMenuItems(app.MainWindow.GetController<ShowNavigationItemController>().ShowNavigationItemAction.Items);
            }
        }