Cacher la première colonne dans une Jtable

**machipot** · 19/03/2012, 16h12

Bonjour,

J'ai suivi une reponse donnée sur le forum, mais ça ne fonctionne toujours pas pour mon application.
J'utilise netbeans 7 et j'aimerai cacher une colonne dans ma Jtable, plus exactement le ID de l'employee, car l'utilisateur n'a pas besoin de voir l'information, mais par contre moi, je dois l'utiliser pour faire des sql basés sur cette information.
malgré que j'ai forcé la largeur de la colonne a 0, la colonne est toujours visible a l'execution de la class.
voir bout de code:

Code :

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 public QMSHR() {
 
        initComponents();
 
        //employeeList.removeColumn(employeeList.getColumnModel().getColumn(0));
 
        employeeList.getColumn("ID").setWidth(0);
        employeeList.getColumn("ID").setMaxWidth(0);
        employeeList.getColumn("ID").setMinWidth(0);
 
        employeeTable();
    }

voici mon code au complet :
le nom de la table est employeeList
merci de votre aide.

Code :

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package qmshr;
 
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.swing.table.DefaultTableModel;
 
public class QMSHR extends javax.swing.JFrame {
 
    public Object header[] = {"ID","First Name ","Last Name ","Project"};
    public Object data[][] = {};
    public DefaultTableModel model = new DefaultTableModel(data,header);
    public Connection con = null;
    public ResultSet rs = null;
    public Statement st = null;
 
 
    /**
     * Creates new form QMSHR
     */
    public QMSHR() {
 
        initComponents();
 
        //employeeList.removeColumn(employeeList.getColumnModel().getColumn(0));
 
        employeeList.getColumn("ID").setWidth(0);
        employeeList.getColumn("ID").setMaxWidth(0);
        employeeList.getColumn("ID").setMinWidth(0);
 
        employeeTable();
    }
 
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
 
        jMenu3 = new javax.swing.JMenu();
        jScrollPane1 = new javax.swing.JScrollPane();
        employeeList = new javax.swing.JTable();
        jButtonExit = new javax.swing.JButton();
        jLemployeeName = new javax.swing.JLabel();
        jPanelEmp = new javax.swing.JPanel();
        jTemployeeCode = new javax.swing.JTextField();
        jLabelEmpId = new javax.swing.JLabel();
        jTfirstName = new javax.swing.JTextField();
        jLabelEmpId1 = new javax.swing.JLabel();
        jLabelEmpId2 = new javax.swing.JLabel();
        jTlastName = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jLabel9 = new javax.swing.JLabel();
        jLabel12 = new javax.swing.JLabel();
        jMenuBar = new javax.swing.JMenuBar();
        jMenuHome = new javax.swing.JMenu();
        jMenuLng = new javax.swing.JMenu();
        jMenu1 = new javax.swing.JMenu();
        jMenu2 = new javax.swing.JMenu();
        jMenu4 = new javax.swing.JMenu();
        jMenu5 = new javax.swing.JMenu();
        jMenu6 = new javax.swing.JMenu();
 
        jMenu3.setText("jMenu3");
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("QMS HR");
 
        employeeList.setAutoCreateRowSorter(true);
        employeeList.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        employeeList.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null}
            },
            new String [] {
                "ID", "Title 2", "Title 3", "Title 4"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, true, true, true
            };
 
            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        employeeList.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mousePressed(java.awt.event.MouseEvent evt) {
                employeeListMousePressed(evt);
            }
        });
        jScrollPane1.setViewportView(employeeList);
        employeeList.getColumnModel().getColumn(0).setResizable(false);
        employeeList.getColumnModel().getColumn(0).setPreferredWidth(0);
 
        jButtonExit.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/exit.jpg"))); // NOI18N
        jButtonExit.setToolTipText("");
        jButtonExit.setRolloverIcon(new javax.swing.ImageIcon(getClass().getResource("/images/button2exit.gif"))); // NOI18N
 
        jLemployeeName.setFont(new java.awt.Font("Times New Roman", 0, 24)); // NOI18N
        jLemployeeName.setForeground(new java.awt.Color(0, 51, 255));
        jLemployeeName.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/2502.png"))); // NOI18N
        jLemployeeName.setName("jLemployeeName");
 
        jPanelEmp.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "-Employee-", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Times New Roman", 0, 14), java.awt.Color.white)); // NOI18N
 
        jTemployeeCode.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
 
        jLabelEmpId.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jLabelEmpId.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        jLabelEmpId.setText("Employee Code");
 
        jTfirstName.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jTfirstName.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusLost(java.awt.event.FocusEvent evt) {
                jTfirstNameFocusLost(evt);
            }
        });
 
        jLabelEmpId1.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jLabelEmpId1.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        jLabelEmpId1.setText("First Name");
 
        jLabelEmpId2.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jLabelEmpId2.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        jLabelEmpId2.setText("Last Name");
 
        jTlastName.setFont(new java.awt.Font("Times New Roman", 0, 14)); // NOI18N
        jTlastName.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusLost(java.awt.event.FocusEvent evt) {
                jTlastNameFocusLost(evt);
            }
        });
 
        jButton1.setFont(new java.awt.Font("Times New Roman", 1, 13)); // NOI18N
        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/accmdsave.jpg"))); // NOI18N
        jButton1.setRolloverIcon(new javax.swing.ImageIcon(getClass().getResource("/images/icon_disk.png"))); // NOI18N
 
        javax.swing.GroupLayout jPanelEmpLayout = new javax.swing.GroupLayout(jPanelEmp);
        jPanelEmp.setLayout(jPanelEmpLayout);
        jPanelEmpLayout.setHorizontalGroup(
            jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanelEmpLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabelEmpId, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTemployeeCode, javax.swing.GroupLayout.PREFERRED_SIZE, 92, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(42, 42, 42)
                .addGroup(jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabelEmpId1, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(jPanelEmpLayout.createSequentialGroup()
                        .addGap(1, 1, 1)
                        .addComponent(jTfirstName, javax.swing.GroupLayout.PREFERRED_SIZE, 153, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addGap(28, 28, 28)
                .addGroup(jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabelEmpId2, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(jPanelEmpLayout.createSequentialGroup()
                        .addGap(1, 1, 1)
                        .addComponent(jTlastName, javax.swing.GroupLayout.PREFERRED_SIZE, 153, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 34, Short.MAX_VALUE)
                        .addComponent(jButton1)))
                .addContainerGap())
        );
        jPanelEmpLayout.setVerticalGroup(
            jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanelEmpLayout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanelEmpLayout.createSequentialGroup()
                        .addComponent(jLabelEmpId1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTfirstName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanelEmpLayout.createSequentialGroup()
                        .addComponent(jLabelEmpId)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTemployeeCode, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanelEmpLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                        .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGroup(jPanelEmpLayout.createSequentialGroup()
                            .addComponent(jLabelEmpId2)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(jTlastName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))))
        );
 
        jLabel9.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/Q_logo.gif"))); // NOI18N
        jLabel9.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
 
        jLabel12.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/Q_Line.gif"))); // NOI18N
 
        jMenuBar.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
 
        jMenuHome.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/icon_homepage.png"))); // NOI18N
        jMenuHome.setText("Home");
        jMenuBar.add(jMenuHome);
 
        jMenuLng.setText("Language");
        jMenuBar.add(jMenuLng);
 
        jMenu1.setText("jMenu1");
        jMenuBar.add(jMenu1);
 
        jMenu2.setText("jMenu2");
        jMenuBar.add(jMenu2);
 
        jMenu4.setText("jMenu4");
        jMenuBar.add(jMenu4);
 
        jMenu5.setText("jMenu5");
        jMenuBar.add(jMenu5);
 
        jMenu6.setText("Help");
        jMenuBar.add(jMenu6);
 
        setJMenuBar(jMenuBar);
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(10, 10, 10)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 378, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLemployeeName, javax.swing.GroupLayout.PREFERRED_SIZE, 354, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(18, 18, 18)
                                .addComponent(jPanelEmp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jButtonExit, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel9)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(jLabel12, javax.swing.GroupLayout.PREFERRED_SIZE, 596, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(12, 12, 12)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel12, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 551, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLemployeeName, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanelEmp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(jButtonExit))))
        );
 
        pack();
    }// </editor-fold>
 
    private void employeeListMousePressed(java.awt.event.MouseEvent evt) {                                          
        int selectedRow = employeeList.getSelectedRow();
        String selectedName = employeeList.getValueAt(selectedRow, 1) + ", " + employeeList.getValueAt(selectedRow, 2);
        jLemployeeName.setText(selectedName);
    }                                         
 
    private void jTfirstNameFocusLost(java.awt.event.FocusEvent evt) {                                      
        jTfirstName.setText(capitalizeFirst(jTfirstName.getText()));
    }                                     
 
    private void jTlastNameFocusLost(java.awt.event.FocusEvent evt) {                                     
        jTlastName.setText(capitalizeFirst(jTlastName.getText()));
    }                                    
 
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /*
         * Set the Nimbus look and feel
         */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /*
         * If Nimbus (introduced in Java SE 6) is not available, stay with the
         * default look and feel. For details see
         * http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(QMSHR.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(QMSHR.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(QMSHR.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(QMSHR.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
 
        /*
         * Create and display the form
         */
        java.awt.EventQueue.invokeLater(new Runnable() {
 
            public void run() {
 
                QMSHR qm = new QMSHR();
                qm.setLocationRelativeTo(null);
                new QMSHR().setVisible(true);
 
            }
        });
    }
 
 
    private void employeeTable(){
        con = Connect.ConnectDB();
        String sql = "Select ID, FirstName, LastName, Currentproject " 
                + "FROM Employees INNER JOIN [Agt Info Sheet 1] ON Employees.ID = [Agt Info Sheet 1].IDempl "
                + "WHERE ((([Agt Info Sheet 1].DepartDate) Is Null)) "
            + " ORDER BY Employees.FirstName; ";
        try{
 
            st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
            rs = st.executeQuery(sql);
 
            rs.last();
            int row = rs.getRow();              
 
            rs.first();
          //  System.out.println("=======" + rs.getString("ID"));
            data = new Object[row][4];
            int i = 0;
            while (rs.next()){
                    data[i][0] = rs.getString("ID");
                    data[i][1] = rs.getString("FirstName");
                    data[i][2] = rs.getString("LastName");
                    data[i][3] = rs.getString("Currentproject");
                    i = i + 1;
 
            }
            employeeList.setModel(new DefaultTableModel(data,header));
        }catch(Exception ex){
            System.out.println("error:" + ex.getMessage());
        }  
 
 
}    
    private String capitalizeFirst(String s){ 
        if (s.length() == 0) return s;
        return s.substring(0, 1).toUpperCase() + s.substring(1).toLowerCase();
 
      //  return s;
    }
 
    // Variables declaration - do not modify
    private volatile javax.swing.JTable employeeList;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButtonExit;
    private javax.swing.JLabel jLabel12;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JLabel jLabelEmpId;
    private javax.swing.JLabel jLabelEmpId1;
    private javax.swing.JLabel jLabelEmpId2;
    private javax.swing.JLabel jLemployeeName;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu2;
    private javax.swing.JMenu jMenu3;
    private javax.swing.JMenu jMenu4;
    private javax.swing.JMenu jMenu5;
    private javax.swing.JMenu jMenu6;
    private javax.swing.JMenuBar jMenuBar;
    private javax.swing.JMenu jMenuHome;
    private javax.swing.JMenu jMenuLng;
    private javax.swing.JPanel jPanelEmp;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextField jTemployeeCode;
    private javax.swing.JTextField jTfirstName;
    private javax.swing.JTextField jTlastName;
    // End of variables declaration
}

**fraco** · 20/03/2012, 12h05

Salut !

comme ça ?

Code :

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   jXTable1.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
   JTableHeader header = jXTable1.getTableHeader();
   TableColumn column =  jXTable1.getColumnModel().getColumn(1);
   header.setResizingColumn(column);                  // this line is very important
   column.setMinWidth(0);                       // permettre une largeur zéro
   column.setWidth(0);                 //  cacher la colonne un

**fr1man** · 20/03/2012, 13h40

Une solution plus propre serait de passer par un TableModel maison dans lequel tu n'affiches pas ton id.

**machipot** · 20/03/2012, 14h05

Merci fraco pour ta réponse,
J'ai ajouté le code, mais la premiere colonne est toujours presente. par contre maintenant les 4 colonnes sont positionnées a la meme largeur.
voici mon code:

Code :

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 public QMSHR() {
 
        initComponents();
 
        employeeList.setAutoResizeMode(employeeList.AUTO_RESIZE_OFF); 
        JTableHeader header = employeeList.getTableHeader();
        TableColumn column = employeeList.getColumnModel().getColumn(1);
        header.setResizingColumn(column);   
        column.setMinWidth(0);                       
        column.setMaxWidth(0); 
        column.setWidth(0); 
 
        employeeTable();
    }

**machipot** · 20/03/2012, 14h26

En attendant la reponse de la part de fraco,
fr1man as tu un exemple que je peux suivre?
merci

**dinobogan** · 20/03/2012, 14h58

La solution de fr1man est la plus propre. Il s'agit d'utiliser soit ton propre TableModel en redéfinissant les méthodes pour le nombre de colonnes, le nom et les valeurs des cellules, soit utiliser le pattern Decorator si tu as déjà ton propre TableModel.

Tu trouveras toute la documentation nécessaire sur le site pour créer ton propre TableModel.

**fraco** · 21/03/2012, 12h37

Salut !

Je crois qu'il faut mettre ce code après la méthode employeeTable();
Mais c'est vrai que c'est mieux de passer par le modéle.....

Bonne chance !

Cacher la première colonne dans une Jtable

NetBeans Java

Vue hybride

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