private void saveDvds() {

		Vector<DVD> data = dvdForm.dvdTableModel.getDataVector();

		if (!data.isEmpty()) {

			for (DVD dvd : data) {
				dao.addEntity(dvd);
			}

			dvdForm.dvdTableModel.fireTableDataChanged();
			dvdForm.btnSave.setEnabled(false);
		}
	}