public void actionPerformed(ActionEvent ae) {
if (ae.getSource() == b1) {
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con =
DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe", "system", "123");
PreparedStatement ps =
con.prepareStatement("select * from LoginForm where username=? and password=?");
String UserName = t1.getText();
String Password = jp1.getText();
ps.setString(1, UserName);
ps.setString(2, Password);
ResultSet rs = ps.executeQuery();
boolean flag = rs.next();
if (flag) {
new Main();
f.setVisible(false);
} else {
JOptionPane.showMessageDialog(null, "Please Enter valid Name And Password");
}
} catch (Exception e) {
System.out.println("Error:" + e);
}
} else if (ae.getSource() == b2) {
t1.setText("");
jp1.setText("");
} else if (ae.getSource() == b3) {
f.setVisible(false);
}
}
