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teena grover
problem Scrolling jTable in scrollpane
1 Answer(s)      3 years and 5 months ago
Posted in : Swing AWT


hi i get into a problem of scrolling jtable in scrollpane.Only horizontal scroll is working, vertical scroll is not working...here is m code: try {

        PreparedStatement pst=c1.prepareStatement("select * from entry where  visit_to_person=?");
        pst.setString(1,visit_combo.getSelectedItem().toString());
        ResultSet rs =pst.executeQuery();
                        while(rs.next())
                    {

                        vno= rs.getString(1);
                        vnam=rs.getString(2);
                        vtp=rs.getString(3);
                        pur=rs.getString(4);
                        in=rs.getString(5);
                        dat=rs.getString(6);
                        String s[]={vno,vnam,vtp,pur,in,dat};
                        Vector coldata=new Vector(Arrays.asList(s));
                        rowdata.add(coldata);
                    }
            String[] head={"VISITOR NO","VISITOR NAME","VISIT TO PERSON","PURPOSE","IN TIME","DATE"};
        colname=new Vector(Arrays.asList(head));
            tableModel =new DefaultTableModel(rowdata, colname);
            table = new JTable(tableModel);
    table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
    JTableHeader header = table.getTableHeader();
    JScrollPane pane = new JScrollPane(table);
            pane.setAutoscrolls(true);
            pane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
            pane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
            pane.setSize(450,300);
            pane.setVisible(true);

    panel.add(pane,BorderLayout.CENTER);
            JFrame.setDefaultLookAndFeelDecorated(true);

     }
    catch(SQLException sq){}

*i hope to get a reply soon*


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March 26, 2011 at 4:37 PM


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();
    try{
    Class.forName("com.mysql.jdbc.Driver");
    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++){
    columnNames.addElement(md.getColumnName(i));
    }
    while(rs.next()){
    Vector row = new Vector(columns);
    for (int i = 1; i <= columns; i++){
    row.addElement(rs.getObject(i));
    }
    data.addElement(row);
    }
   }
catch(Exception e){}
JTable table = new JTable(data, columnNames);

        setTitle(title); 
        offset += 50; 
        setLocation(offset,offset); 
        setSize(300,150); 
        table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); 
        JScrollPane scroll = new JScrollPane(table); 
        scroll.setHorizontalScrollBarPolicy(horizPolicy); 
        scroll.setVerticalScrollBarPolicy(vertPolicy); 
        getContentPane().add(scroll); 
    } 
    public static void main(String[] args) { 
     JTableExample f=new JTableExample(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED,JScrollPane. 
VERTICAL_SCROLLBAR_AS_NEEDED,"HORIZONTAL_SCROLLBAR_AS_NEEDED");
     f.setVisible(true);

    } 
}


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