private void AppBarButton_Click(object sender, RoutedEventArgs e)
        {
            string pageTypeName = (sender as AppBarButton).Tag.ToString();
            Type   pageType     = TypeProvider.GetTypeFromString(pageTypeName);

            IPageNavigateable page = Navigator.ChangeFrame(pageType, mainFrame);

            controler.SetActualPage(page);
            //controler.CommandText= SqlCommandFilterCreator.CreateCommand(page as IDBConnectionStateGettable);
        }
        private void AppBarButton_Click(object sender, RoutedEventArgs e)
        {
            string pageTypeName = (sender as AppBarButton).Tag.ToString();

            if (pageTypeName == "AdmissionsPage")
            {
                Navigator.SetParameter(new Action(() => Navigator.ChangeFrame(typeof(NewAdmissionPage), mainFrame)));
            }
            Type pageType = TypeProvider.GetTypeFromString(pageTypeName);

            IPageNavigateable page = Navigator.ChangeFrame(pageType, mainFrame);

            Navigator.RemoveParameters();
            navigationBar.IsOpen = navigationBar.IsSticky = true;
        }