gistfile1.java

private void deleteRouteBtnActionPerformed(java.awt.event.ActionEvent evt) {                                               
        int row = routeListTable.getSelectedRow();
        if(row != -1){
            String routeId = routeListTable.getValueAt(row, 0).toString();
            deleteRoute(Integer.parseInt(routeId));
            loadRoutes();
        }else{
            JOptionPane.showMessageDialog(null, "You Must Select A Row To Delete");
        }
        
    }