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raja
query on strings
1 Answer(s)      6 years and 5 months ago
Posted in : Swing AWT

i want to convert JTextField data into string object. I used getText method and stored in ojbect but i want to compare with a database element but it shows some error.

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November 20, 2010 at 5:44 PM


Hi Friend,

Try the following code:

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

class Check{
    JLabel l,lab1,lab2;
    ArrayList list;
    JTextField text,text1,text2;
    JButton button;
    Check(){
         l=new JLabel("Enter Name: ");
         text=new JTextField(20);
        JFrame frame=new JFrame();
        frame.setLayout(null);
         button=new JButton("Submit");
         l.setBounds(10,10,100,20);
        text.setBounds(120,10,100,20);
        button.setBounds(120,40,90,20);
        frame.add(l);
        frame.add(text);
        frame.add(button);
        frame.setVisible(true);
        frame.setSize(300,100);
        list=new ArrayList();
        button.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                String value=text.getText();
            try{
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
           Connection con = DriverManager.getConnection("jdbc:odbc:student");
           Statement st=con.createStatement();
           ResultSet rs=st.executeQuery("select * from data ");
           String name="";
           while(rs.next()){
               name=rs.getString("name");
               list.add(name);
           }
           if(list.contains(value)){
               System.out.println("Matches with database");
           }
           else{
               System.out.println("Does not match");
           }
           }
           catch(Exception ex){}
        }
        });
    }
    public static void main(String[] args) 
    {
        new Check();
    }
}

Thanks










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