import java.sql.*; import javax.sql.*; import javax.swing.*; import java.applet.*; import java.awt.event.*; import java.awt.*; public class Display extends JFrame implements ActionListener { JLabel l1; JTextField t1,t2; JButton b1,b2; public Display(String s) { super(s); l1 = new JLabel("user name"); b1 = new JButton("submit"); b2 = new JButton("reset"); t1 = new JTextField(20); t2 = new JTextField(20); Panel p = new Panel(); p.setLayout(new GridLayout(2,2)); p.add(l1); p.add(t1); p.add(b1); p.add(b2); p.add(t2); add(p); b1.addActionListener(this); b2.addActionListener(this); } public static void main(String args[]) { Display d = new Display("main frame"); d.setVisible(true); d.setSize(300,300); } public void actionPerformed(ActionEvent ae) { String k; String m=""; k = ae.getActionCommand(); if(k=="submit" ) { String x = t1.getText(); Connection conn; ResultSet r =null; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); conn=DriverManager.getConnection("jdbc:odbc:aanchal"); Statement stmt = conn.createStatement(); r =stmt.executeQuery("select * from id"); while (r.next()) { m = r.getString(1); System.out.println(m); try{ if(x.equals("m")) { t2.setText("authenticated"); } else { t2.setText("invalid"); } } catch(Exception e) { System.out.println(e.getMessage()); } } r.close(); stmt.close(); conn.close(); } catch (ClassNotFoundException e) { System.out.println( e.getMessage()); } catch(SQLException e) { System.out.println(e.getMessage()); } } else if(k=="reset") { t1.setText(""); t2.setText(""); } } }
Is this a question or what?