row.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent f){
                try{
                    String magic = f.paramString();
                    rowvalue = Integer.parseInt(f.paramString());
                } catch(NumberFormatException e){
                    JOptionPane.showMessageDialog(new JFrame(), "Goofed.", "Consequences will never be the same.", JOptionPane.ERROR_MESSAGE);
                }
            }
        });