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Thread: Problem with JTable and jFrame

  1. September 21st, 2014, 06:51 AM #1
    monching
    monching is offline
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    Default Problem with JTable and jFrame

    Is it possible that jFrame with form that will fill up are connected to jFrame that have JTable. Here's my code

    import javax.swing.table.DefaultTableModel;
 
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
 
/**
 *
 * @author Owner
 */
public class Registration extends javax.swing.JFrame {
 
    /**
     * Creates new form Registration
     */
    public Registration() {
        initComponents();
    }
 
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
 
        REGISTRATION = new javax.swing.JLabel();
        lStudentno = new javax.swing.JLabel();
        fStudentno = new javax.swing.JTextField();
        lGivename = new javax.swing.JLabel();
        fGivenname = new javax.swing.JTextField();
        lMiddlename = new javax.swing.JLabel();
        fMiddlename = new javax.swing.JTextField();
        lSurname = new javax.swing.JLabel();
        fSurname = new javax.swing.JTextField();
        lCourse = new javax.swing.JLabel();
        fCourse = new javax.swing.JTextField();
        lYear = new javax.swing.JLabel();
        fYear = new javax.swing.JTextField();
        lSection = new javax.swing.JLabel();
        fSection = new javax.swing.JTextField();
        bAdd = new javax.swing.JButton();
        bExit = new javax.swing.JButton();
        lContactno = new javax.swing.JLabel();
        fContactno = new javax.swing.JTextField();
        lEmail = new javax.swing.JLabel();
        fEmail = new javax.swing.JTextField();
        CLEAR = new javax.swing.JButton();
        Reminder = new javax.swing.JLabel();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 
        REGISTRATION.setFont(new java.awt.Font("Courier New", 1, 36)); // NOI18N
        REGISTRATION.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        REGISTRATION.setText("REGISTRATION");
 
        lStudentno.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lStudentno.setText("Student no.         :");
 
        lGivename.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lGivename.setText("Given Name        :");
 
        lMiddlename.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lMiddlename.setText("Middle Name       :");
 
        lSurname.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lSurname.setText("Surname             :");
 
        lCourse.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lCourse.setText("Course                :");
 
        fCourse.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fCourseActionPerformed(evt);
            }
        });
 
        lYear.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lYear.setText("Year                   :");
 
        lSection.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lSection.setText("Section               :");
 
        bAdd.setText("ADD");
        bAdd.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bAddActionPerformed(evt);
            }
        });
 
        bExit.setText("EXIT");
        bExit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bExitActionPerformed(evt);
            }
        });
 
        lContactno.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lContactno.setText("Contact no.         :");
 
        fContactno.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fContactnoActionPerformed(evt);
            }
        });
 
        lEmail.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        lEmail.setText("E-mail                 :");
 
        fEmail.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fEmailActionPerformed(evt);
            }
        });
 
        CLEAR.setText("CLEAR");
        CLEAR.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CLEARActionPerformed(evt);
            }
        });
 
        Reminder.setFont(new java.awt.Font("Gungsuh", 1, 18)); // NOI18N
        Reminder.setForeground(new java.awt.Color(255, 0, 51));
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(68, 68, 68)
                        .addComponent(REGISTRATION))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(lStudentno)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(fStudentno, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(lGivename)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(fGivenname, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(lMiddlename)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(fMiddlename, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(lSurname)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(fSurname, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(bAdd)
                                    .addComponent(lSection))
                                .addGap(27, 27, 27)
                                .addComponent(CLEAR)
                                .addGap(41, 41, 41)
                                .addComponent(bExit))
                            .addComponent(lCourse)
                            .addComponent(lYear)))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(lContactno)
                            .addComponent(lEmail))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(fEmail, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(fSection, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(fContactno, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(fYear, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(fCourse, javax.swing.GroupLayout.PREFERRED_SIZE, 190, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(0, 51, Short.MAX_VALUE)
                .addComponent(Reminder, javax.swing.GroupLayout.PREFERRED_SIZE, 307, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(42, 42, 42))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(30, 30, 30)
                .addComponent(REGISTRATION, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lStudentno)
                    .addComponent(fStudentno, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lGivename)
                    .addComponent(fGivenname, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lMiddlename)
                    .addComponent(fMiddlename, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lSurname)
                    .addComponent(fSurname, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lCourse)
                    .addComponent(fCourse, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lYear)
                    .addComponent(fYear, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lSection)
                    .addComponent(fSection, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lContactno)
                    .addComponent(fContactno, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(lEmail)
                    .addComponent(fEmail, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(Reminder, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(bAdd)
                    .addComponent(bExit)
                    .addComponent(CLEAR))
                .addGap(30, 30, 30))
        );
 
        pack();
    }// </editor-fold>                        
 
    private void bAddActionPerformed(java.awt.event.ActionEvent evt) {                                     
        DefaultTableModel model = (DefaultTableModel) tStudents.getModel();
        model.addRow(new Object[]{fStudentno.getText(),fGivenname.getText(),fSurname.getText(),fCourse.getText(),fYear.getText(),fSection.getText()});
    }                                    
 
    private void bExitActionPerformed(java.awt.event.ActionEvent evt) {                                      
        System.exit(0);
    }                                     
 
    private void fContactnoActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
    }                                          
 
    private void fEmailActionPerformed(java.awt.event.ActionEvent evt) {                                       
        // TODO add your handling code here:
    }                                      
 
    private void CLEARActionPerformed(java.awt.event.ActionEvent evt) {                                      
        fStudentno.setText("");
        fGivenname.setText("");
        fMiddlename.setText("");
        fSurname.setText("");
        fCourse.setText("");
        fYear.setText("");
        fSection.setText("");
        fContactno.setText("");
        fEmail.setText("");
    }                                     
 
    private void fCourseActionPerformed(java.awt.event.ActionEvent evt) {                                        
        // TODO add your handling code here:
    }                                       
 
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Registration.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
 
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Registration().setVisible(true);
            }
        });
    }
 
    // Variables declaration - do not modify                     
    private javax.swing.JButton CLEAR;
    private javax.swing.JLabel REGISTRATION;
    private javax.swing.JLabel Reminder;
    private javax.swing.JButton bAdd;
    private javax.swing.JButton bExit;
    private javax.swing.JTextField fContactno;
    private javax.swing.JTextField fCourse;
    private javax.swing.JTextField fEmail;
    private javax.swing.JTextField fGivenname;
    private javax.swing.JTextField fMiddlename;
    private javax.swing.JTextField fSection;
    private javax.swing.JTextField fStudentno;
    private javax.swing.JTextField fSurname;
    private javax.swing.JTextField fYear;
    private javax.swing.JLabel lContactno;
    private javax.swing.JLabel lCourse;
    private javax.swing.JLabel lEmail;
    private javax.swing.JLabel lGivename;
    private javax.swing.JLabel lMiddlename;
    private javax.swing.JLabel lSection;
    private javax.swing.JLabel lStudentno;
    private javax.swing.JLabel lSurname;
    private javax.swing.JLabel lYear;
    // End of variables declaration                   
}
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  2. Default Related threads:

  3. September 21st, 2014, 07:14 AM #2
    GregBrannon
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    Default Re: Problem with JTable and jFrame

    Thread moved.

    Unfortunately, there are very few here (if any) who will slog through the code generated by a graphical GUI designer. Your question is more about how to use the graphical GUI tool than about Java programming. I recommend you find a forum specific to the tool or the IDE and ask your question(s) there.
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  4. November 6th, 2017, 03:37 AM #3
    priya456
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    Default Re: Problem with JTable and jFrame

    I had the same problem some time ago. This is how I solved it:

    public class JScrollPaneWithTableRowsWithBoxAndStrings extends JScrollPane {
    .................
    public JScrollPaneWithTableRowsWithBoxAndStrings(Boolean smallFont,
    String boxType,
    String[] columnNames,
    String[] data) throws InitCheckException {
    .................
    table.setPreferredScrollableViewportSize(table.get PreferredSize());
    setColumnHeaderView(table.getTableHeader()); // So that JScrollPane's height fits table's height + table's header's height
    setViewportView(table);
    }

    .................
    }[COLOR="Silver"]
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