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vikas pandey
How to read and retrieve jtable row values into jtextfield on clicking at particular row ...
1 Answer(s)      2 years ago
Posted in : Swing AWT


Hello Sir, I am developing a desktop application in which i have to display database records in jtable .now I want to read all the values of particular row at which mouse is clicked. and display that in textfield below the jtable.

plz sir give me the code....

Thank you Sir.....


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July 28, 2012 at 5:51 PM


Here is a code that read database values and store into jtable and retrieve jtable row values into jtextfield on clicking at particular row.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import javax.swing.table.*;
import javax.swing.event.*;

class DisplayTableAction{
int counter1=0,counter2=0,counter3=0,counter4=0;
int counter=0;
public static void main(String arg[]){
DisplayTableAction action=new DisplayTableAction();
}
DisplayTableAction(){
ListSelectionModel listSelectionModel;
final Vector columnNames = new Vector();
final Vector data = new Vector();
try{
Connection con = null;
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
Statement st = con.createStatement();
ResultSet rs= st.executeQuery("Select * from person");
ResultSetMetaData md = rs.getMetaData();
int columns = md.getColumnCount();
for (int i = 1; i <= columns; i++) {
columnNames.addElement( md.getColumnName(i) );
}
while (rs.next()){
Vector row = new Vector(columns);
for (int i = 1; i <= columns; i++) {
row.addElement( rs.getObject(i) );
}
data.addElement( row );
}
rs.close();
st.close();
}
catch(Exception e) {}
JFrame frame=new JFrame();
frame.setLayout(null);
final JLabel lab1=new JLabel("ID");
final JTextField text1=new JTextField(20);

final JLabel lab2=new JLabel("Name");
final JTextField text2=new JTextField(20);

final JLabel lab3=new JLabel("Address");
final JTextField text3=new JTextField(20);

final JLabel lab4=new JLabel("Email");
final JTextField text4=new JTextField(20);
lab1.setBounds(150,230,100,20);
text1.setBounds(270,230,100,20);

lab2.setBounds(150,260,100,20);
text2.setBounds(270,260,100,20);

lab3.setBounds(150,290,100,20);
text3.setBounds(270,290,100,20);

lab4.setBounds(150,320,100,20);
text4.setBounds(270,320,100,20);


final JTable table = new JTable(data, columnNames);
JScrollPane scrollPane = new JScrollPane(table);
scrollPane.setBounds(150,100,400,100);
frame.add(lab1);
frame.add(text1);

frame.add(lab2);
frame.add(text2);

frame.add(lab3);
frame.add(text3);

frame.add(lab4);
frame.add(text4);
frame.add( scrollPane );
frame.setVisible(true);
frame.setSize(800,500);

lab1.setVisible(false);
text1.setVisible(false);

lab2.setVisible(false);
text2.setVisible(false);

lab3.setVisible(false);
text3.setVisible(false);

lab4.setVisible(false);
text4.setVisible(false);
table.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent e){

Object obj1=null,obj2=null,obj3=null,obj4=null;
String q="";
int i=table.getSelectedRow();
if(i==0){
counter1++;
q=Integer.toString(counter1);
}
if(i==1){
counter2++;
q=Integer.toString(counter2);
}
if(i==2){
counter3++;
q=Integer.toString(counter3);
}
if(i==3){
counter4++;
q=Integer.toString(counter4);
}
obj1 = GetData(table, i, 0);
obj2 = GetData(table, i, 1);
obj3 = GetData(table, i, 2);
obj4 = GetData(table, i, 3);


lab1.setVisible(true);
text1.setVisible(true);

lab2.setVisible(true);
text2.setVisible(true);

lab3.setVisible(true);
text3.setVisible(true);

lab4.setVisible(true);
text4.setVisible(true);
text1.setText(obj1.toString());
text2.setText(obj2.toString());
text3.setText(obj3.toString());
text4.setText(obj4.toString());


}
});

}
public Object GetData(JTable table, int row_index, int col_index){
return table.getModel().getValueAt(row_index, col_index);
}
}


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