Merci d'avoir repondu a ma question en fait je mexcuse si jecris pas bien en francais en fait jai essaye avec ton code mais ca marche pas
en fait je mets le meme code ds un autre button et ca marche bien il quitte la fenetre en cliquant une seule fois
merci

voila tt le code de ma page

import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import java.util.Vector;
//import javax.swing.BoxLayout;

//import java.util.Random;
//import java.awt.event.ActionEvent;
//import java.awt.event.ActionListener;

public class Dico extends JInternalFrame implements ActionListener{

private static final long serialVersionUID = 1L;
static final int PER_PAGE = 50;

private String sBase;

private MTA win;
private JTable tab_List;
private JScrollPane js_Center;
private JPanel jp;
private JComboBox jcb_tri, jcb_tables;
private JLabel pages_Status;
private JButton jb_previous, jb_next;
private int current_page;
private JTextField jtf;
private String[] fieldName;

//Constructeur
Dico(MTA m,String base){
win=m;
sBase=base;
//construction de l'interface
jp=new JPanel(new BorderLayout());
jp.setPreferredSize(new Dimension(900,600));

JPanel jp1=new JPanel(new BorderLayout());

JButton jb=new JButton("Close");
jb.setName("Close");
jb.addActionListener(this);
jp1.add(jb,BorderLayout.EAST);

JPanel jp2=new JPanel();
BoxLayout bhor = new BoxLayout(jp2,BoxLayout.X_AXIS);
jp2.setLayout(bhor);
jb_previous=new JButton("Previous");
jb_previous.setName("Previous");
jb_previous.addActionListener(this);
jp2.add(jb_previous);

jp2.add(Box.createHorizontalStrut(15));

jtf = new JTextField(2);
jp2.add(jtf);

jp2.add(Box.createHorizontalStrut(5));

JButton jb_go = new JButton("Go");
jb_go.setName("Go");
jb_go.addActionListener(this);
jp2.add(jb_go);

jp2.add(Box.createHorizontalStrut(15));

jb_next=new JButton("Next");
jb_next.setName("Next");
jb_next.addActionListener(this);
jp2.add(jb_next);

jp1.add(jp2, BorderLayout.WEST);

pages_Status = new JLabel("", JLabel.CENTER);
jp1.add(pages_Status, BorderLayout.CENTER);

jp.add(jp1,BorderLayout.SOUTH);

jp1 = new JPanel(new BorderLayout());

jp2 = new JPanel();
bhor = new BoxLayout(jp2,BoxLayout.X_AXIS);
jp2.setLayout(bhor);

jcb_tables = new JComboBox();
jcb_tables.setName("tables");

jcb_tri = new JComboBox();
jcb_tri.setName("tri");
//jcb_tri.addActionListener(this);
//jcb_tri.addItemListener(this);

jp2.add(new JLabel("Table:"));
jp2.add(Box.createHorizontalStrut(15));
jp2.add(jcb_tables);

jp2.add(Box.createHorizontalStrut(15));

jp2.add(new JLabel("Order by:"));
jp2.add(Box.createHorizontalStrut(15));
jp2.add(jcb_tri);

jp1.add(jp2,BorderLayout.WEST);

jp.add(jp1, BorderLayout.NORTH);



//initialisation de la table, tri par item_code
initTable(sBase,"detail",0,PER_PAGE,"item_code");

//jcb_tri.addItemListener(this);

//ajout de la liste des tables
MysqlAccess my=new MysqlAccess("mta_dico");
my.startConnection();
int rst = my.executeQuery("SELECT DISTINCT table_name from headers;");
while(my.goNextRst(rst)){
jcb_tables.addItem(my.getValueRst(rst,"table_name"));

}

rst =my.executeQuery("DESCRIBE ta_" + (String)jcb_tables.getSelectedItem());
while(my.goNextRst(rst))
{
jcb_tri.addItem(my.getValueRst(rst,"field"));
}


my.closeConnection();

//ajout du listener apres la création de la liste
jcb_tri.addActionListener(this);
jcb_tables.addActionListener(this);

current_page=1;

this.getContentPane().add(jp);

//parametre de la fenetre
//this.closable=false;
this.iconable=true;
this.maximizable=true;
this.resizable=true;
this.setTitle("List of Items in the dictionnary");
this.pack();
this.setVisible(true);
Tools.centerInterFrame(this,win);


}

//Génération de la table
private void initTable(String base, String table, int lim_basse, int nb_records, String order){

String s;
int nb_lines, nb_pages;


//connection à la base de donnée
JDBCAdapter data=new JDBCAdapter(
"com.mysql.jdbc.Driver",
"jdbc:mysql://localhost/"+base,
"root",
"");

tab_List=new JTable();


//on recupere le nombre de lignes et le nombre de pages
nb_lines = getNbLines(base,"ta_"+table);
nb_pages = nb_lines/PER_PAGE+1;


pages_Status.setText("Page "+(lim_basse/PER_PAGE+1)+" of "+String.valueOf(nb_pages));
jtf.setText(String.valueOf(lim_basse/PER_PAGE+1));



s="SELECT * FROM ta_" + table +" ORDER BY " + order + " LIMIT " + lim_basse + "," +nb_records;

data.executeQuery(s);

//on recupere le nom des champs de la table selectionner
MysqlAccess my = new MysqlAccess(base);
my.startConnection();

s = "SELECT name FROM headers WHERE table_name='" + table + "' ORDER BY position";

int rst = my.executeQuery(s);

String[] chmp = new String[my.getResultCount(rst)];


int i=0;
while(my.goNextRst(rst))
{
chmp[i] = my.getValueRst(rst,"name");
i++;
}

my.closeConnection();

//on défini le noms des colonnes
data.setColumnNames(chmp);
data.fireTableStructureChanged();

//on insere les données dans notre tableau
tab_List.setModel(data);



//empeche de pouvoir réorganiser les colonnes
tab_List.getTableHeader().setReorderingAllowed(false);

js_Center=new JScrollPane(tab_List);
jp.add(js_Center,BorderLayout.CENTER);
js_Center.setPreferredSize(new Dimension(300,200));

jb_previous.setEnabled(true);
jb_next.setEnabled(true);
if(lim_basse==0)
jb_previous.setEnabled(false);
if((lim_basse+PER_PAGE)>nb_lines)
jb_next.setEnabled(false);


}

//fonction permettant de retourner le nombre de ligne d'une table d'une base
private int getNbLines(String base, String table)
{
String s;
int rst,nblines;

MysqlAccess my=new MysqlAccess(base);
my.startConnection();
s="SELECT COUNT(*) AS nb_lines FROM "+table;
rst = my.executeQuery(s);
my.goNextRst(rst);
nblines = Integer.valueOf(my.getValueRst(rst,"nb_lines"));
my.closeConnection();
return(nblines);
}


public void actionPerformed (ActionEvent evt){
String s;
s=evt.getSource().getClass().toString();

//détection de la selection d'un critere de tri ou d'une table à afficher
if(s.equals("class javax.swing.JComboBox"))
{

JComboBox cb = (JComboBox)evt.getSource();
String x = cb.getName();
if(x.equals("tri"))
{
js_Center.remove(tab_List);
tab_List=null;
jp.remove(js_Center);
js_Center=null;
initTable(sBase,(String)jcb_tables.getSelectedItem(),0,PER_PAGE,(String)jcb_tri.getSelectedItem());
this.validate();
}

if(x.equals("tables"))
{
js_Center.remove(tab_List);
tab_List=null;
jp.remove(js_Center);
js_Center=null;

jcb_tri.removeActionListener(this);

jcb_tri.removeAllItems();

MysqlAccess my=new MysqlAccess("mta_dico");
my.startConnection();

int rst =my.executeQuery("DESCRIBE ta_" + (String)jcb_tables.getSelectedItem());
while(my.goNextRst(rst))
{
jcb_tri.addItem(my.getValueRst(rst,"field"));
}

jcb_tri.addActionListener(this);

initTable(sBase,(String)jcb_tables.getSelectedItem(),0,PER_PAGE,(String)jcb_tri.getSelectedItem());
this.validate();
}
}


//détection des actions sur les boutons
if (s.equals("class javax.swing.JButton")){
JButton c = (JButton)evt.getSource();
String x = c.getName();

if(x.equals("Close")){
// fermetutre
//this.closable=true;
//win.setStatus("List of Items in the dictionnary").close();
//this.dispose();
win.setStatus("List of Items in the dictionnary");
this.setVisible(false);
// win.closeMTA();
}

if(x.equals("Next"))
{
js_Center.remove(tab_List);
tab_List=null;
jp.remove(js_Center);
js_Center=null;
initTable(sBase,(String)jcb_tables.getSelectedItem(),PER_PAGE*current_page,PER_PAGE,(String)jcb_tri.getSelectedItem());
current_page++;
this.validate();
}

if(x.equals("Previous"))
{

js_Center.remove(tab_List);
tab_List=null;
jp.remove(js_Center);
js_Center=null;
initTable(sBase,(String)jcb_tables.getSelectedItem(),PER_PAGE*(current_page-2),PER_PAGE,(String)jcb_tri.getSelectedItem());
current_page--;
this.validate();

}

if(x.equals("Go"))
{

js_Center.remove(tab_List);
tab_List=null;
jp.remove(js_Center);
js_Center=null;
initTable(sBase,(String)jcb_tables.getSelectedItem(),PER_PAGE*(Integer.valueOf(jtf.getText())-1),PER_PAGE,(String)jcb_tri.getSelectedItem());
current_page = Integer.valueOf(jtf.getText());
this.validate();

}

}

}




}