public void addStudent(string imie, string nazwisko, string indeks)
{
DAO_Student dao = new DAO_Student();
List <Student> list = dao.getStudenci();
int index = list.Last().id;
Student nstud = new Student(index + 1, imie, nazwisko, indeks);
list.Add(nstud);
dao.setStudenci(list);
}
public void editStudent(int index, string imie, string nazwisko, string indeks)
{
if (index != 0)
{
DAO_Student dao = new DAO_Student();
List <Student> list = dao.getStudenci();
foreach (var k in list)
{
if (k.id == index)
{
k.imie = imie;
k.nazwisko = nazwisko;
k.indeks = indeks;
}
}
dao.setStudenci(list);
}
}
public void deleteStudent(int index)
{
DAO_Student dao = new DAO_Student();
List <Student> list = dao.getStudenci();
Student to_delete = null;
foreach (var k in list)
{
if (k.id == index)
{
to_delete = k;
}
}
if (to_delete != null)
{
list.Remove(to_delete);
}
dao.setStudenci(list);
}