public static bool dodajStudenta(Studenti student)
{
BinaryFormatter bf = new BinaryFormatter();
FileStream fs;
if (File.Exists("Student.bin"))
{
List <Studenti> studenti = Studenti.sviStudenti();
foreach (Studenti s in studenti)
{
if (s.ToString().Equals(student.ToString()))
{
return(false);
}
}
studenti.Add(student);
fs = File.OpenWrite("Student.bin");
bf.Serialize(fs, studenti);
fs.Close();
}
else
{
fs = File.OpenWrite("Student.bin");
bf.Serialize(fs, student);
fs.Close();
}
return(true);
}
private void btnObrisi_Click(object sender, EventArgs e)
{
int broj = cmbStudenti.SelectedIndex;
Studenti student = (Studenti)cmbStudenti.SelectedItem;
List <IzbornaLista> izborne_liste = IzbornaLista.listeSvihStudenata();
for (int i = 0; i < izborne_liste.Count; i++)
{
if (izborne_liste[i].Student.ToString().Equals(student.ToString()))
{
izborne_liste.RemoveAt(i);
break;
}
}
IzbornaLista.azuriranjeBrisanjeIzbornihLista(izborne_liste);
studenti.Remove(student);
cmbStudenti.Items.Remove(student);
Studenti.azurirajBrisanjeStudenta(studenti);
lblPoruka.Text = "Uspesno ste izbrisali studenta.";
lblPoruka.ForeColor = Color.Blue;
btnObrisi.Enabled = false;
}
private void btnAzuriraj_Click(object sender, EventArgs e)
{
int broj = cmbStudenti.SelectedIndex;
Studenti student = (Studenti)cmbStudenti.SelectedItem;
Studenti novi_student = new Studenti(student);
if (!txtIndex.Text.Equals(""))
{
novi_student.Index = txtIndex.Text;
}
if (!txtIme.Text.Equals(""))
{
novi_student.Ime_studenta = txtIme.Text;
}
if (!txtPrezime.Text.Equals(""))
{
novi_student.Prezime_studenta = txtPrezime.Text;
}
if (!txtKorisnickoIme.Text.Equals(""))
{
novi_student.Korisnicko_ime = txtKorisnickoIme.Text;
}
if (!txtPassword.Text.Equals(""))
{
novi_student.Password = txtPassword.Text;
}
if (!txtJMBG.Text.Equals(""))
{
foreach (char c in txtJMBG.Text)
{
if (!Char.IsNumber(c))
{
lblPoruka.Text = "Greska, JMBG pogresno unet!";
lblPoruka.ForeColor = Color.Red;
return;
}
}
novi_student.JMBG1 = txtJMBG.Text;
}
DateTime pom2;
bool uspesno = DateTime.TryParse(dtDatumRodjenja.Text, out pom2);
if (uspesno)
{
novi_student.Datum_rodjenja = pom2;
}
if (!txtTelefon.Text.Equals(""))
{
foreach (char c in txtTelefon.Text)
{
if (!Char.IsNumber(c))
{
lblPoruka.Text = "Greska, telefon pogresno unet!";
lblPoruka.ForeColor = Color.Red;
return;
}
}
novi_student.Telefon = txtTelefon.Text;
}
if (!student.Smer.Equals(cmbSmer.SelectedItem))
{
List <Smer> smerovi = Smer.sviSmerovi();
novi_student.Smer = smerovi[cmbSmer.SelectedIndex];
}
if (studenti[broj].ToString().Equals(novi_student.ToString()))
{
lblPoruka.Text = "Nista niste promenili!";
lblPoruka.ForeColor = Color.Red;
}
else
{
List <IzbornaLista> izborne_liste = IzbornaLista.listeSvihStudenata();
for (int i = 0; i < izborne_liste.Count; i++)
{
if (izborne_liste[i].Student.ToString().Equals(student.ToString()))
{
izborne_liste[i].Student = novi_student;
break;
}
}
IzbornaLista.azuriranjeBrisanjeIzbornihLista(izborne_liste);
studenti[broj] = novi_student;
Studenti.azurirajBrisanjeStudenta(studenti);
lblPoruka.Text = "Uspesno ste izmenili studenta";
lblPoruka.ForeColor = Color.Blue;
cmbStudenti.Items.RemoveAt(broj);
cmbStudenti.Items.Insert(broj, novi_student);
gpPodaci.Enabled = false;
btnAzuriraj.Enabled = false;
txtIme.ResetText();
txtPrezime.ResetText();
txtJMBG.ResetText();
txtKorisnickoIme.ResetText();
txtPassword.ResetText();
txtTelefon.ResetText();
txtJMBG.ResetText();
txtIndex.ResetText();
cmbSmer.ResetText();
cmbStudenti.ResetText();
dtDatumRodjenja.ResetText();
}
}