JAVA - How To Insert Remove And Edit JTable Row Using JTextFields In Java NetBeans
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In this Java JTable Tutorial we will see How To :
- add a Row To JTable From JTextFields .
- delete Selected Row From JTable .
- Get Selected Row Values From JTable to JTextfields .
- Update a JTable Row Using JTextFields .
In Java NetBeans .
*Java Courses : Java Complete Course
Java Swing Course
- add a Row To JTable From JTextFields .
- delete Selected Row From JTable .
- Get Selected Row Values From JTable to JTextfields .
- Update a JTable Row Using JTextFields .
In Java NetBeans .
*Java Courses : Java Complete Course
Java Swing Course
Project Source Code:
package javaapp;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
public class JTableRow {
public static void main(String[] args){
// create JFrame and JTable
JFrame frame = new JFrame();
JTable table = new JTable();
// create a table model and set a Column Identifiers to this model
Object[] columns = {"Id","First Name","Last Name","Age"};
DefaultTableModel model = new DefaultTableModel();
model.setColumnIdentifiers(columns);
// set the model to the table
table.setModel(model);
table.setBackground(Color.LIGHT_GRAY);
table.setForeground(Color.black);
Font font = new Font("",1,22);
table.setFont(font);
table.setRowHeight(30);
// create JTextFields
JTextField textId = new JTextField();
JTextField textFname = new JTextField();
JTextField textLname = new JTextField();
JTextField textAge = new JTextField();
// create JButtons
JButton btnAdd = new JButton("Add");
JButton btnDelete = new JButton("Delete");
JButton btnUpdate = new JButton("Update");
textId.setBounds(20, 220, 100, 25);
textFname.setBounds(20, 250, 100, 25);
textLname.setBounds(20, 280, 100, 25);
textAge.setBounds(20, 310, 100, 25);
btnAdd.setBounds(150, 220, 100, 25);
btnUpdate.setBounds(150, 265, 100, 25);
btnDelete.setBounds(150, 310, 100, 25);
// create JScrollPane
JScrollPane pane = new JScrollPane(table);
pane.setBounds(0, 0, 880, 200);
frame.setLayout(null);
frame.add(pane);
// add JTextFields to the jframe
frame.add(textId);
frame.add(textFname);
frame.add(textLname);
frame.add(textAge);
// add JButtons to the jframe
frame.add(btnAdd);
frame.add(btnDelete);
frame.add(btnUpdate);
// create an array of objects to set the row data
Object[] row = new Object[4];
// button add row
btnAdd.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
row[0] = textId.getText();
row[1] = textFname.getText();
row[2] = textLname.getText();
row[3] = textAge.getText();
model.addRow(row);
}
});
// button remove row
btnDelete.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
// i = the index of the selected row
int i = table.getSelectedRow();
if(i >= 0){
// remove a row from jtable
model.removeRow(i);
}
else{
System.out.println("Delete Error");
}
}
});
// get selected row data From table to textfields
table.addMouseListener(new MouseAdapter(){
@Override
public void mouseClicked(MouseEvent e){
// i = the index of the selected row
int i = table.getSelectedRow();
textId.setText(model.getValueAt(i, 0).toString());
textFname.setText(model.getValueAt(i, 1).toString());
textLname.setText(model.getValueAt(i, 2).toString());
textAge.setText(model.getValueAt(i, 3).toString());
}
});
// button update row
btnUpdate.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
// i = the index of the selected row
int i = table.getSelectedRow();
if(i >= 0)
{
model.setValueAt(textId.getText(), i, 0);
model.setValueAt(textFname.getText(), i, 1);
model.setValueAt(textLname.getText(), i, 2);
model.setValueAt(textAge.getText(), i, 3);
}
else{
System.out.println("Update Error");
}
}
});
frame.setSize(900,400);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
///////////////OUTPUT:
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JAVA - How To Add Delete And Update JTable Row Using JTextFields In Java NetBeans
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