private static void displayPatients(ResultSet rs)throws SQLException{
		
		StringBuffer bf = new StringBuffer();
		while (rs.next()){
			bf.append(rs.getInt("pid")+": ");
			bf.append(rs.getString("firstname")+" ");
			bf.append(rs.getString("lastname"));
			System.out.println(bf.toString());
			bf.delete(0, bf.length());
		}
	}