/// <summary>
        /// Button_Reload_Click
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Button_Reload_Click(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("Button_Reload_Click");

            Courses  = LST.PopulateCourses();
            Students = LST.PopulateStudents();
            Bindings = LST.PopulateBindings();
            _bindingsWindow.Bindings = Bindings;

            InitGridColor();
        }
        /// <summary>
        /// Constructor
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();
            DataContext = this;

            Courses  = LST.PopulateCourses();
            Students = LST.PopulateStudents();
            Bindings = LST.PopulateBindings();

            _bindingsWindow          = new BindingsWindow();
            _bindingsWindow.Bindings = Bindings;
        }