private void GetByIdOperation()
{
long id = -1;
while (id < 0)
{
id = view.EnterId();
}
switch (view.entity)
{
case Entity.Pupil:
List <Pupil> pupils = new List <Pupil>()
{
pupilDAO.Get(id)
};
view.PrintPupils(pupils);
break;
case Entity.Teacher:
List <Teacher> teachers = new List <Teacher>()
{
teacherDAO.Get(id)
};
view.PrintTeachers(teachers);
break;
}
}