QuestionAsk Questions?
Anuradha
Hi..
How to validate radio button in java?if the radio button is not selected an error message should be given... Please help...
View Answers
February 11, 2012 at 3:10 PM
import java.sql.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class RadioButtonValidation{
JTextField text;
public static void main(String[] args) throws Exception{
new RadioButtonValidation();
}
public RadioButtonValidation(){
JFrame f = new JFrame();
f.getContentPane().setLayout(null);
JLabel lab = new JLabel("Gender");
final JRadioButton Male,Female;
ButtonGroup radioGroup=new ButtonGroup();
Male=new JRadioButton("Male");
radioGroup.add(Male);
Female=new JRadioButton("Female");
radioGroup.add(Female);
JButton button=new JButton("Submit");
lab.setBounds(50,20,70,20);
Male.setBounds(110,20,100,20);
Female.setBounds(210,20,100,20);
button.setBounds(50,50,80,15);
button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
if((Male.isSelected()==false)&&(Female.isSelected()==false)){
JOptionPane.showMessageDialog(null,"Please select radio button");
}
}
});
f.add(lab);
f.add(Male);
f.add(Female);
f.add(button);
f.setSize(350,120);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
February 11, 2012 at 3:10 PM
Javascript radiobutton validation:
<html>
<script language = JavaScript>
function validate(){
if ( ( document.f1.radios[0].checked == false ) && ( document.f1.radios[1].checked == false ) ){
alert ( "Please choose Radio Button!" );
document.f1.radios[0].focus();
return false;
}
return true;
}
</script>
<form name="f1" onsubmit ="return validate();">
<pre>
Select Gender: <input type="radio" name="radios" value="male">Male
<input type="radio" name="radios" value="Female">Female
<input name="Submit" value="Send" type="submit" >
</pre>
</form>
</html>
February 13, 2012 at 4:59 PM
Thanks for your reply
Related Pages:
If you are facing any programming issue, such as compilation errors or not able to find the code you are looking for.
Ask your questions, our development team will try to give answers to your questions.
Tutorial Topics
