Wrong Parent for CardLayout

I have a frame class in which I have added one panel and inside that 3 frames.I want to see the frames depending upon each request,the panle is has CardLayout.When i create an instance of the this class in my main and try to show one of the cards it gives wrong parent for CardLayout error???

You haven't called setLayout on the frame/panel (I'm confused as to your precise setup) to tell it to use the CardLayout.

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A CardLayout problem--wrong parent for CardLayout

I am trying to use CardLayout so that only one of the several panels I crete will be display at a time. However, JBuilder gives me the "java.lang.IllegalArgumentException:wrong parent for CardLayout
"error. What's wrong?
package nestedlayouts;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
public class Frame1 extends JFrame implements ActionListener{
CardLayout cl = new CardLayout();
JPanel cardPanel = new JPanel(cl);
JPanel welcomePane;
JPanel balancePane;
JButton balanceButton = new JButton();
JButton welcomeButton = new JButton();
//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
catch (Exception e) {
e.printStackTrace();
//Component initialization
private void jbInit() throws Exception {
Container content = getContentPane();
content.add(cardPanel );
welcomePane = new JPanel();
welcomePane.setLayout(null);
welcomeButton.setText("Welcome");
welcomeButton.setBounds(new Rectangle(90, 180, 196, 56));
welcomeButton.addActionListener(this);
welcomePane.setName("welcomePane");
cardPanel.add("welcomePane",welcomePane);
welcomePane.add(welcomeButton, null);
balanceButton.setText("ShowBalance");
balanceButton.setBounds(new Rectangle(154, 181, 196, 56));
balanceButton.addActionListener(this);
balancePane = new JPanel();
balancePane.setLayout(null);
balancePane.add(balanceButton, null);
balancePane.setName("balancePane");
cardPanel.add("balancePane",balancePane);
this.setSize(new Dimension(509, 333));
this.setTitle("ATM");
show();
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
public void actionPerformed(ActionEvent e) {
if ( ( (JButton) e.getSource()).getText().equals("ShowBalance")) {
showPanel(1);
else if ( ( (JButton) e.getSource()).getText().equals("Welcome")){
showPanel(2);
private void showPanel(int num) {
if (num == 2) {
cl.show(balancePane, "balancePane");
else if (num == 1){
}

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
//import com.borland.jbcl.layout.*;
public class bigeyes extends JFrame implements ActionListener{
CardLayout cl = new CardLayout();
JPanel cardPanel = new JPanel(cl);
JPanel welcomePane;
JPanel balancePane;
JButton balanceButton = new JButton();
JButton welcomeButton = new JButton();
//Construct the frame
public bigeyes() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    catch (Exception e) {
      e.printStackTrace();
//Component initialization
private void jbInit() throws Exception {
    Container content = getContentPane();
    content.add(cardPanel );
    welcomePane = new JPanel();
    welcomePane.setLayout(null);
    welcomeButton.setText("Welcome");
    welcomeButton.setBounds(new Rectangle(90, 180, 196, 56));
    welcomeButton.addActionListener(this);
    welcomePane.setName("welcomePane");
    cardPanel.add("welcomePane",welcomePane);
    welcomePane.add(welcomeButton, null);
    balanceButton.setText("ShowBalance");
    balanceButton.setBounds(new Rectangle(154, 181, 196, 56));
    balanceButton.addActionListener(this);
    balancePane = new JPanel();
    balancePane.setLayout(null);
    balancePane.add(balanceButton, null);
    balancePane.setName("balancePane");
    cardPanel.add("balancePane",balancePane);
    this.setSize(new Dimension(509, 333));
    this.setTitle("ATM");
    show();
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
public void actionPerformed(ActionEvent e) {
    if ( ( (JButton) e.getSource()).getText().equals("ShowBalance")) {
      showPanel(1);
    else if ( ( (JButton) e.getSource()).getText().equals("Welcome")){
      showPanel(2);
private void showPanel(int num) {
    if (num == 2) {
      // cardPanel is the parent, balancePane is the child (card)
      // that you added to the parent and now want to show
      // key: parent,     card name
      cl.show(cardPanel, "balancePane"); // error was pointing to this line
    else if (num == 1){
public static void main(String[] args) {
    new bigeyes();
}

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Wrong Parent for CardLayout

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