JAVA - How To Add And Update A JTable Row Using JOptionPane showInputDialog In Java


Java Add Update Row

JAVA - How To Add And Update A JTable Selected Row Using JOptionPane In Java 


In this Java Tutorial we will see How To Add And Update A JTable Selected Row Using JOptionPane showInputDialog In Java  Using NetBeans .




Project Source Code:

package java_tutorials;

import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
 * @author 1bestcsharp.blogspot.com
 */
public class Java_JTable_Row_Add_Update_Using_JOptionPane extends javax.swing.JFrame {

    /**
     * Creates new form Java_JTable_Row_Add_Update_Using_JOptionPane
     */
    public Java_JTable_Row_Add_Update_Using_JOptionPane() {
        initComponents();
    }

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        BtnAddRow = new javax.swing.JButton();
        BtnUpdateRow = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {"1", "yhgbg", "azrt-tu", "10"},
                {"2", "ryui", "bhjuil", "20"},
                {"3", "hyjujhf", "wzerty", "30"},
                {"4", "dgthyhrf", "iuygvc", "40"}
            },
            new String [] {
                "Id", "First Name", "Last Name", "Age"
            }
        ));
        jScrollPane1.setViewportView(jTable1);

        BtnAddRow.setText("Add Row");
        BtnAddRow.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                BtnAddRowActionPerformed(evt);
            }
        });

        BtnUpdateRow.setText("Update Row");
        BtnUpdateRow.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                BtnUpdateRowActionPerformed(evt);
            }
        });

        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(23, 23, 23)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 452, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(90, 90, 90)
                        .addComponent(BtnAddRow, javax.swing.GroupLayout.PREFERRED_SIZE, 108, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(32, 32, 32)
                        .addComponent(BtnUpdateRow, javax.swing.GroupLayout.PREFERRED_SIZE, 124, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(36, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(30, 30, 30)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(BtnAddRow, javax.swing.GroupLayout.DEFAULT_SIZE, 37, Short.MAX_VALUE)
                    .addComponent(BtnUpdateRow, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 299, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(14, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

// Button Add Row      private void BtnAddRowActionPerformed(java.awt.event.ActionEvent evt) {                                          
       // get Data from showInputDialog
        String id = JOptionPane.showInputDialog("Enter The Id");
        String fn = JOptionPane.showInputDialog("Enter The First Name");
        String ln = JOptionPane.showInputDialog("Enter The Last Name");
        String age = JOptionPane.showInputDialog("Enter The Age");
        
        // create a row with the given data
        Object rowData[] = new Object[4];
        rowData[0] = id;
        rowData[1] = fn;
        rowData[2] = ln;
        rowData[3] = age;
        
       // add row To the jtable
        DefaultTableModel model = (DefaultTableModel)jTable1.getModel();
        model.addRow(rowData);
    }                                         


// Button Update Selected Row     private void BtnUpdateRowActionPerformed(java.awt.event.ActionEvent evt) {                                             
       
        DefaultTableModel model = (DefaultTableModel)jTable1.getModel();
        
// get the selected row index
        int selectedRowIndex = jTable1.getSelectedRow();
        
        try {

// get the data from the jtable model
        String id = model.getValueAt(selectedRowIndex, 0).toString();
        String fn = model.getValueAt(selectedRowIndex, 1).toString();
        String ln = model.getValueAt(selectedRowIndex, 2).toString();
        String age = model.getValueAt(selectedRowIndex, 3).toString();
        
// get the new data from showInputDialog 
        String newId = JOptionPane.showInputDialog(null,"The Id",id);
        String newFN = JOptionPane.showInputDialog(null,"The First Name",fn);
        String newLN = JOptionPane.showInputDialog(null,"The Last Name",ln);
        String newAge = JOptionPane.showInputDialog(null,"The Age",age);
       
// insert the new data into the selected row 
        model.setValueAt(newId, selectedRowIndex, 0);
        model.setValueAt(newFN, selectedRowIndex, 1);
        model.setValueAt(newLN, selectedRowIndex, 2);
        model.setValueAt(newAge, selectedRowIndex, 3);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null,"No Row Selected : "+e.getMessage());
        }
        
        
    }                                            

    /**
     * @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(Java_JTable_Row_Add_Update_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Java_JTable_Row_Add_Update_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Java_JTable_Row_Add_Update_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Java_JTable_Row_Add_Update_Using_JOptionPane.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 Java_JTable_Row_Add_Update_Using_JOptionPane().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton BtnAddRow;
    private javax.swing.JButton BtnUpdateRow;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // End of variables declaration                   
}


OutPut :

java add update row
JTable Add Update Selected Row Using JOptionPane 

Share this

Related Posts

Previous
Next Post »