public void Potvrda_Click(object sender, RoutedEventArgs e)
        {
            List <Question> pitanja  = new List <Question>();
            String          alergije = "";

            Boolean guest = false;
            Boolean sekr  = false;
            List <ModelNotification> notifications = new List <ModelNotification>();

            if ((LozinkaBox.Text.Equals(PotvLozinkaBox.Text)))
            {
                PatientController  secContr = new PatientController();
                List <PatientUser> lista    = secContr.GetAll();
                int id = 0;
                foreach (PatientUser sec in lista)
                {
                    if (sec.id.ToString().Equals(idPacijenta.Text))
                    {
                        id = sec.id;

                        alergije = sec.allergie;

                        guest = sec.guest;

                        sekr          = sec.isRegisteredBySecretary;
                        notifications = sec.notifications;
                    }
                }

                PatientController rpcontroller = new PatientController();
                if (notifications == null)
                {
                    notifications = new List <ModelNotification>();
                }

                PatientUser rp = new PatientUser(id, ImeBox.Text, PrezimeBox.Text, JMBGBox.Text, DatumRodjBox.Text,
                                                 BrojTelefonaBox.Text, KnjizicaBox.Text, alergije, AdresaBox.Text, false, EmailBox.Text, LozinkaBox.Text, sekr, notifications);

                MessageBox.Show("Uspijesno izmenjeni podaci/registrovan guest pacijent!", "OK", MessageBoxButton.OK);


                Boolean isPatientUpdateOk = secContr.Update(rp);
                if (isPatientUpdateOk == false)
                {
                    MessageBox.Show("Fields must be unique.\nCity must be in format : City, Street number, postal code, Country.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }
            }
            else
            {
                MessageBox.Show("Lozinke se moraju poklapati!", "Upozorenje", MessageBoxButton.OK, MessageBoxImage.Exclamation);
            }



            Panel.Children.Clear();
            UserControl usc = new RegistrovaniPacijenti();

            Panel.Children.Add(usc);
        }
        public void Odustani_Click(object sender, RoutedEventArgs e)
        {
            Panel.Children.Clear();
            UserControl usc = new RegistrovaniPacijenti();

            Panel.Children.Add(usc);
        }
        private void Registruj_Click(object sender, RoutedEventArgs e)
        {
            if ((LozinkaBox.Password.Equals(PotvLozinkaBox.Password)))
            {
                int broj = getNextid();
                List <ModelNotification> notif = new List <ModelNotification>();
                notif.Add(new ModelNotification(""));
                PatientUser rp = new PatientUser(0, ImeBox.Text, PrezimeBox.Text, JMBGBox.Text, DatumRodjBox.Text,
                                                 BrojTelefonaBox.Text, KnjizicaBox.Text, "", AdresaBox.Text, false, EmailBox.Text, LozinkaBox.Password, true, notif);

                PatientController rpcontroller = new PatientController();


                Boolean isPatientOk = rpcontroller.New(rp);
                if (isPatientOk == false)
                {
                    MessageBox.Show("Fields must be unique.\nCity must be in format : City, Street number, postal code, Country.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                Panel.Children.Clear();
                UserControl usc = new RegistrovaniPacijenti();
                Panel.Children.Add(usc);
            }
            else
            {
                PassBoxError.Visibility = Visibility.Visible;
            }
        }