private JPanel contentPane;
private JTextField tfuser;
private JTextField tfpass;

/**
 * Launch the application.
 */
public static void main(String[] args) {
	EventQueue.invokeLater(new Runnable() {
		public void run() {
			try {
				login frame = new login();
				frame.setVisible(true);
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	});
}

/**
 * Create the frame.
 */
public login() {
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	setBounds(100, 100, 450, 318);
	contentPane = new JPanel();
	contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
	setContentPane(contentPane);
	contentPane.setLayout(null);
	
	JLabel lblNewLabel = new JLabel("\u0110\u0103ng Nh\u1EADp H\u1EC7 Th\u1ED1ng");
	lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
	lblNewLabel.setFont(new Font("Tahoma", Font.BOLD, 30));
	lblNewLabel.setBounds(76, 10, 333, 33);
	contentPane.add(lblNewLabel);
	
	JLabel lblUser = new JLabel("T\u00E0i Kho\u1EA3n");
	lblUser.setFont(new Font("Tahoma", Font.PLAIN, 20));
	lblUser.setBounds(20, 82, 106, 33);
	contentPane.add(lblUser);
	
	tfuser = new JTextField();
	tfuser.setBounds(150, 85, 173, 30);
	contentPane.add(tfuser);
	tfuser.setColumns(10);
	
	JLabel lblPassword = new JLabel("M\u1EADt Kh\u1EA9u");
	lblPassword.setFont(new Font("Tahoma", Font.PLAIN, 20));
	lblPassword.setBounds(26, 157, 125, 38);
	contentPane.add(lblPassword);
	

	
	JButton btnLogin = new JButton("\u0110\u0103ng Nh\u1EADp");
	
	btnLogin.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			java.sql.Connection conn = null;
			try {
				String dbURL = "jdbc:sqlserver://ADMIN\\SQLEXPRESS:1433;databaseName=CSDLVSJAVA;user=sa;password=123456";
				conn = DriverManager.getConnection(dbURL);
				java.sql.Statement s = conn.createStatement();
	            ResultSet rs = s.executeQuery("Select [user] ,[pass] from [CSDLVSJAVA].[dbo].[login] where [login].[user]='"+tfuser.getText()+"' and [login].[pass]='"+tfpass.getText()+"'");
				if(rs.next()) {
					JOptionPane.showMessageDialog(null, "Dang Nhap Thanh Cong");
				}
				else {
					JOptionPane.showMessageDialog(null, "Dang Nhap That Bai");
				}
				
			}catch(Exception e2) {
				e2.printStackTrace();
			}
			
		}
	});
	btnLogin.setFont(new Font("Tahoma", Font.PLAIN, 13));
	btnLogin.setBounds(178, 225, 106, 33);
	contentPane.add(btnLogin);
	
	tfpass = new JTextField();
	tfpass.setBounds(150, 157, 173, 33);
	contentPane.add(tfpass);
	tfpass.setColumns(10);
	
}