private class DeleteColumnAction implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (paramTable.isEditing()) {
TableCellEditor cellEditor = paramTable.getCellEditor(paramTable.getEditingRow(), paramTable
.getEditingColumn());
cellEditor.cancelCellEditing();
}
int colSelected = paramTable.getSelectedColumn();
if (colSelected == 0 || colSelected == 1) {
JOptionPane.showMessageDialog(null,