private void BtnRegistreren_Click(object sender, RoutedEventArgs e) { Register registreren = new Register(); Main_Window.Close(); registreren.Show(); }
private void BtnBevestigInLoggen_Click(object sender, RoutedEventArgs e) { Student student = _businesscontroller.getStudentLogIn(txtNaamInLoggen.Text, txtWachtwoordInLoggen.Text); if (student != null) { MainWindow mainwindow = new MainWindow(); Main_Window.Close(); mainwindow.Show(); } else { MessageBox.Show("Invalid username or password."); } }