private async void AddNewNote()
        {
            CourseName courseDialog = new CourseName()
            {
                Title = "New Note"
            };
            var result = await courseDialog.ShowAsync();

            if (result == ContentDialogResult.Primary)
            {
                var item = AddNaviItem(courseDialog.Title.ToString());
                item.Tag = "NoteItem";
                landingNaviView.MenuItems.Add(item);

                landingNaviView.SelectedItem = item;
                lContentFrame.Navigate(typeof(Landing_Views.Assignments), credentials);
            }
        }
        private async void AddNewCourse()
        {
            CourseName courseDialog = new CourseName();
            var        result       = await courseDialog.ShowAsync();

            if (result == ContentDialogResult.Primary)
            {
                var item = AddNaviItem("Add New Course");
                landingNaviView.MenuItems.Add(item);
                landingNaviView.MenuItems.Add(new NavigationViewItemSeparator());
                landingNaviView.MenuItems.Add(new NavigationViewItemHeader().Content = "Notes");
                landingNaviView.MenuItems.Add(new NavigationViewItem()
                {
                    Content = "Add New Note", Tag = "Note"
                });

                landingNaviView.SelectedItem = item;
            }
        }