سؤال

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

public class addBooks extends JDialog {
	private Connection connection = null;
	private Statement statement = null;
	private ResultSet resultset = null;

	private JPanel northPanel = new JPanel();
	private JLabel northLabel = new JLabel("Add the information for the book...");

	private JPanel centerPanel = new JPanel();

	private JLabel bookIDLabel;
	private JTextField bookIDTextField = new JTextField();
	private String bookID = null;

	private JLabel titleLabel;
	private JTextField titleTextField = new JTextField();
	private String title = null;

	private JLabel autherLabel;
	private JTextField autherTextField = new JTextField();
	private String authers = null;

	private JLabel publisherLabel;
	private JTextField publisherTextField = new JTextField();
	private String publisher = null;

	private JLabel editionNumberLabel;
	private JTextField editionNumberTextField = new JTextField();
	private String editionNumber = null;

	private JLabel copyrightLabel;
	private JTextField copyrightTextField = new JTextField();
	private String copyrightYear = null;

	private JLabel pagesLabel;
	private JTextField pagesTextField = new JTextField();
	private String pages = null;

	private JLabel ISBNLabel;
	private JTextField ISBNTextField = new JTextField();
	private String ISBN = null;

	private JPanel southPanel = new JPanel();
	private JButton insertInformationButton = new JButton("Insert the Information");

	private JLibrary l;

	public addBooks(JLibrary l) {
		this.l = l;
	}
	public void addBooks(Frame frame, String _title, boolean model) {
		setTitle(_title);

		Container cp = getContentPane();

		northPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
		northLabel.setFont(new Font("Tahoma", Font.BOLD, 16));
		northPanel.add(northLabel);
		cp.add("North", northPanel);

		centerPanel.setLayout(new GridLayout(8,8,1,1));
		centerPanel.add(bookIDLabel = new JLabel("  Write the Book ID:"));
		centerPanel.add(bookIDTextField);
		centerPanel.add(titleLabel = new JLabel("  Write the title:"));
		centerPanel.add(titleTextField);
		centerPanel.add(autherLabel = new JLabel("  Write the name of the auther:"));
		centerPanel.add(autherTextField);
		centerPanel.add(publisherLabel = new JLabel("  Write the name of the publisher:"));
		centerPanel.add(publisherTextField);
		centerPanel.add(editionNumberLabel = new JLabel("  Write the Edition Number:"));
		centerPanel.add(editionNumberTextField);
		centerPanel.add(copyrightLabel = new JLabel("  Write the copyright for the book:"));
		centerPanel.add(copyrightTextField);
		centerPanel.add(pagesLabel = new JLabel("  Write the number of pages:"));
		centerPanel.add(pagesTextField);
		centerPanel.add(ISBNLabel = new JLabel("  Write ISBN for the book:"));
		centerPanel.add(ISBNTextField);
		cp.add("Center", centerPanel);

		southPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
		southPanel.add(insertInformationButton);
		cp.add("South", southPanel);

		insertInformationButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				bookID = bookIDTextField.getText();
				title = titleTextField.getText();
				authers = autherTextField.getText();
				publisher = publisherTextField.getText();
				editionNumber = editionNumberTextField.getText();
				copyrightYear = copyrightTextField.getText();
				pages = pagesTextField.getText();
				ISBN = ISBNTextField.getText();
				try {
					Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
				}
				catch(Exception e) {
					System.out.println(e.toString());
				}
				try {
					connection = DriverManager.getConnection("jdbc:odbc:Library");
					statement  = connection.createStatement();
					statement.executeUpdate("INSERT INTO Books (bookID,Title,authers,"+
					"publisher,editionNumber,copyrightYear,Pages,ISBN) VALUES ("+bookID+","+title+","+authers+","+
					publisher+","+editionNumber+","+copyrightYear+","+pages+","+ISBN+")");
					statement.close();
					connection.close();
				}
				catch(SQLException SQLe) {
					System.out.println(SQLe.toString());
				}
			}
		});

		setResizable(false);
		setVisible(true);
		pack();
	}
}

كتبت هذا الكود لادخال بيانات كتاب الى قاعده البيانات لكن المشكله اللي تطلع لي هي :

وين المشكله بالضبط ؟؟