private void Refresh()
        {
            Visits.ItemsSource           = ClassSqlAppointment.AppointmentsForDataGrid(((ClassTerm)DateVisitComboBox.SelectedItem).Date);
            HistoryofPacient.ItemsSource = ClassSqlAppointment.GetAllApoitmentsForPatien(lastSelectedAppointmentHistoryVistis);

            Visits.SelectedIndex           = lastSelectedIndexVisits;
            HistoryofPacient.SelectedIndex = lastSelectedIndexHistoryVistis;
        }
        public WindowDoctorVisits()
        {
            InitializeComponent();
            #region Load Date to Combo
            try
            {
                DateVisitComboBox.ItemsSource = ClassSqlAppointment.AppointmentsDateForCombobox();

                DateVisitComboBox.SelectedIndex = DateVisitComboBox.Items.Count - 1;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            Visits.ItemsSource = null;
            if (DateVisitComboBox.Items.Count != 0)
            {
                Visits.ItemsSource = ClassSqlAppointment.AppointmentsForDataGrid(((ClassTerm)DateVisitComboBox.SelectedItem).Date);
            }
        }
 private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
 {
     Visits.ItemsSource = ClassSqlAppointment.AppointmentsForDataGrid(((ClassTerm)DateVisitComboBox.SelectedItem).Date);
 }