problem scrolling jtable


problem scrolling jtable

hi, i've to query the table thousand of times...m table display is not getting stable/proper,especially after getting the empty table...

for removing the table i'm doing this::

numrows = tableModel.getRowCount();

for(int i = numrows - 1;i>=0; i--) { tableModel.removeRow(i); }

pane.remove(table); panel.remove(pane);

for getting the table:: String[] head={"VISITOR NO","VISITOR NAME","VISIT TO PERSON","PURPOSE","IN TIME","DATE"}; colname=new Vector(Arrays.asList(head)); tableModel =new DefaultTableModel(rowdata, colname){public boolean isCellEditable(int row, int column) { return false;}}; table = new JTable(tableModel); table.setPreferredScrollableViewportSize(new Dimension(500, 70)); table.setFillsViewportHeight(true);

              settabWidth(table, head.length);
     header = table.getTableHeader();

     pane = new JScrollPane(table);


View Answers

April 1, 2011 at 1:32 PM

change the size of pane so that both the bars will get visible.

import java.sql.*;
import java.util.*;
import javax.swing.*; 

class JTableExample extends JFrame { 
    private static int offset = 50; 

    public JTableExample(int horizPolicy, int vertPolicy, String title) { 
    final Vector columnNames = new Vector();
    final Vector data = new Vector();
    JPanel panel=new JPanel();
    Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
    Statement st = con.createStatement();
    ResultSet rs= st.executeQuery("Select * from employee");
    ResultSetMetaData md = rs.getMetaData();
    int columns = md.getColumnCount();
    for (int i = 1; i <= columns; i++){
    Vector row = new Vector(columns);
    for (int i = 1; i <= columns; i++){
catch(Exception e){}
JTable table = new JTable(data, columnNames);

        offset += 50; 
        JScrollPane scroll = new JScrollPane(table); 
    public static void main(String[] args) { 
     JTableExample f=new JTableExample(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED,JScrollPane. 



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