private void button1_Click(object sender, EventArgs e) { this.Hide(); var administracija = new Administracija(); administracija.Closed += (s, args) => this.Close(); administracija.Show(); }
private void button1_Click(object sender, EventArgs e) { try { string oString = "SELECT korisnicko_ime, sifra, uloga FROM Korisnici WHERE korisnicko_ime=N'" + txtKorisnickoIme.Text + "' AND sifra=N'" + txtSifra.Text + "'"; SqlCommand sqlCmd = new SqlCommand(oString, sqlConnection); sqlConnection.Open(); SqlDataReader oReader = sqlCmd.ExecuteReader(); while (oReader.Read()) { uloga = oReader[2].ToString(); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Error Message"); } finally { sqlConnection.Close(); } if (uloga.Contains("admin")) { File.WriteAllText(@"korisnik.txt", txtKorisnickoIme.Text); this.Hide(); var admin = new Administracija(); admin.Closed += (s, args) => this.Close(); admin.Show(); } else if (uloga.Contains("klijent")) { File.WriteAllText(@"korisnik.txt", txtKorisnickoIme.Text); this.Hide(); var klijent = new Klijent(); klijent.Closed += (s, args) => this.Close(); klijent.Show(); } else { MessageBox.Show("Uneli ste pogrešno korisničko ime ili šifru, molim vas pokušajte ponovo."); } }