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| java swings |
Expert:valarmathi
Hi,
I need the sample code for Jtext box validation.
I have the text box,if i enter the wrong input the validation error message is display the textbox right side.
Please send the sample code for this...
very very urgent.
thanks,
valarmathi |
| Answers |
/**
* @(#)Validation.java
*
* @author R.Perumal
*
* @version 1.00 2009/11/4
*/
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Validation extends JFrame
{
JTextField CODE;
Container CONT;
JLabel LBL;
public Validation()
{
CONT = getContentPane();
setBounds(0, 0, 500, 300);
CODE = new JTextField(25);
setLayout(new FlowLayout());
CONT.add(new JLabel("Enter the mobile nhmber"));
CONT.add(CODE);
CONT.add(LBL = new JLabel());
LBL.setForeground(Color.red);
setDefaultCloseOperation(EXIT_ON_CLOSE);
CODE.addKeyListener(new KeyAdapter()
{
public void keyPressed(KeyEvent EVT)
{
if(EVT.getKeyChar() >= '0' && EVT.getKeyChar() <= '9' || EVT.getKeyCode() == 8)
{
CODE.setEditable(true);
LBL.setText("");
}
else
{
CODE.setEditable(false);;
LBL.setText("* Enter only numeric characters");
}
}
});
show();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args)
{
new Validation();
}
}
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/**
* @(#)Validation.java
*
* @author R.Perumal
*
* @version 1.00 2009/11/4
*/
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Validation extends JFrame
{
JTextField CODE;
Container CONT;
JLabel LBL;
public Validation()
{
CONT = getContentPane();
setBounds(0, 0, 500, 300);
CODE = new JTextField(25);
setLayout(new FlowLayout());
CONT.add(new JLabel("Enter the mobile nhmber"));
CONT.add(CODE);
CONT.add(LBL = new JLabel());
LBL.setForeground(Color.red);
setDefaultCloseOperation(EXIT_ON_CLOSE);
CODE.addKeyListener(new KeyAdapter()
{
public void keyPressed(KeyEvent EVT)
{
if(EVT.getKeyChar() >= '0' && EVT.getKeyChar() <= '9' || EVT.getKeyCode() == 8)
{
CODE.setEditable(true);
LBL.setText("");
}
else
{
CODE.setEditable(false);;
LBL.setText("* Enter only numeric characters");
}
}
});
show();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args)
{
new Validation();
}
}
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