Searching through Key Released in netbeans


private void jTextField9KeyReleased(java.awt.event.KeyEvent evt) {                                      
             try
        {
    Class.forName("com.mysql.jdbc.Driver");
    java.sql.Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3305/commity","root","root");
    String sql="select m.ID,m.MemberName,m.ContactNo,m.Amount,g.Group_Number,g.Starting_Date,g.Ending_Date,g.Cost,g.Installment,g.No_of_Members from member m\n" +
"inner join group1 g on m.Group_Number=g.Group_Number where m.MemberName='"+jTextField9.getText()+"'";
    java.sql.PreparedStatement pst=con.prepareStatement(sql);
    ResultSet rs = pst.executeQuery(sql);
   member.setModel(DbUtils.resultSetToTableModel(rs));
con.close();
pst.close();
        }
        catch(Exception e)
        {
            JOptionPane.showMessageDialog(null, e);
        }
    }    

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