//Change student prefekt
    public void updatePrefekt(JComboBox studentHome, JComboBox student) {
        try {
            String dorm = studentHome.getSelectedItem().toString();
            String newPrefekt = student.getSelectedItem().toString();
            String[] splitStr = newPrefekt.split("\\s+");
            String newPrefektId = getId(splitStr[0], splitStr[1]);
            String command = "UPDATE elevhem SET prefekt= " + newPrefektId + " WHERE elevhemsnamn= '" + dorm + "'";
            hwdb.update(command);
        } catch (InfException e) {
            System.out.println(e.getMessage());
        }
    }

    //Change forestandre for a dorm
    public void updateForestandare(JComboBox studentHome, JComboBox teacher) {
    try {
        String dorm = studentHome.getSelectedItem().toString();
        String newForestandare = teacher.getSelectedItem().toString();
        String[] splitStr = newForestandare.split("\\s+");
        String newFore = getIdTeacher(splitStr[0], splitStr[1]);
        String command = "UPDATE elevhem SET forestandare= " + newFore + " WHERE elevhemsnamn= '" + dorm + "'";
        hwdb.update(command);
    } catch (InfException e) {
    System.out.println(e.getMessage());
    }
}