public SupervisorClassBlade(SupervisorClassesPage supervisorClassesPage, ContentWindow window)
        {
            _window = window;
            _page   = supervisorClassesPage;
            InitializeComponent();

            SubjectComboViewModel vmComboSubject = new SubjectComboViewModel();

            foreach (var item in vmComboSubject.Subject)
            {
                SubjectCombo.Items.Add(item);
            }

            TeacherComboViewModel vmComboTeacher = new TeacherComboViewModel();

            TeacherCombo.ItemsSource = vmComboTeacher.Teacher;

            ClassTypeComboViewModel vmComboClassType = new ClassTypeComboViewModel();

            ClassTypeCombo.ItemsSource = vmComboClassType.ClassType;

            GroupComboViewModel vmCombo = new GroupComboViewModel();

            GroupCombo.ItemsSource = vmCombo.Group;
        }
        public SupervisorNewClassBlade(SupervisorClassesPage supervisorClassesPage)
        {
            _page = supervisorClassesPage;
            InitializeComponent();

            SubjectComboViewModel vmComboSubject = new SubjectComboViewModel();

            SubjectCombo.ItemsSource = vmComboSubject.Subject;

            TeacherComboViewModel vmComboTeacher = new TeacherComboViewModel();

            TeacherCombo.ItemsSource = vmComboTeacher.Teacher;

            ClassTypeComboViewModel vmComboClassType = new ClassTypeComboViewModel();

            ClassTypeCombo.ItemsSource = vmComboClassType.ClassType;
        }