Re: JTable

From:
RedGrittyBrick <RedGrittyBrick@spamweary.invalid>
Newsgroups:
comp.lang.java.gui
Date:
Fri, 12 Sep 2008 11:32:21 +0100
Message-ID:
<48ca4535$0$2915$fa0fcedb@news.zen.co.uk>
GG mamta81 wrote:

Hi all,
   My swing application uses a JTable.when i select any row of the
JTable and perform some other work in the same application the row
gets deselected.


O RLY?

------------------------------- 8< ------------------------
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.SwingUtilities;

public class TableSelection {
     public static void main(String[] args) {
         SwingUtilities.invokeLater(new Runnable() {
             public void run() {
                 new TableSelection().createAndShowGUI();
             }
         });
     }

     private Object[] headings = { "Alpha", "Bravo", "Charlie" };

     private Object[][] data = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };

     private void createAndShowGUI() {
         JPanel p = new JPanel(new BorderLayout());

         p.add(new JLabel("Click a row, then click button at bottom"),
                 BorderLayout.NORTH);

         p.add(new JTable(data, headings), BorderLayout.CENTER);

         JButton b = new JButton("other work in the same application");
         p.add(b, BorderLayout.SOUTH);

         final JFrame f = new JFrame("TableSelection");

         b.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 JOptionPane.showMessageDialog(f,
                         "See, other work doesn't affect selection!");
             }
         });

         f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         f.add(p);
         f.pack();
         f.setLocationRelativeTo(null);
         f.setVisible(true);
     }

}
------------------------------- 8< ------------------------

How can i keep the row selected


By not doing whatever it is you are doing that you shouldn't be doing.
We could help if you pasted a SSCCE (see explanation at http://sscce.org).

--
RGB

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