Connecting java to Excel

Question

HI
Can anyone help me about the code.
I got the Exception:
Error while inserting to excel sheet!!!
java.sql.SQLException:[Microsoft][ODBC Excel Driver]Operation must use an updateable query.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class InsertExcel
static JFrame frame;
static JPanel panel;
static JTextField textuserid;
static JTextField textfirstname;
static JTextField textlastname;
static JButton submit;
static JButton exit;
public static void main(String args[])
frame = new JFrame("Inserting to excel sheet");;
panel = new JPanel();
JLabel labeluserid = new JLabel("User id ");
JLabel labelfirstname = new JLabel("First Name");
JLabel labellastname = new JLabel("Last Name");
textuserid = new JTextField(20);
textfirstname = new JTextField(20);
textlastname = new JTextField(20);
submit = new JButton("Submit to Excel sheet");
exit = new JButton("Exit");
panel.add(labeluserid);
panel.add(textuserid);
panel.add(labelfirstname);
panel.add(textfirstname);
panel.add(labellastname);
panel.add(textlastname);
panel.add(submit);
panel.add(exit);
frame.getContentPane().add(panel);
frame.setSize(1024,100);
frame.setVisible(true);
frame.setDefaultCloseOperation(3);
submit.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
     try
          Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          Connection con = DriverManager.getConnection("jdbc:odbc:population");
          PreparedStatement stat2 = con.prepareStatement("insert into [Sheet1$ (USERID,FIRST_NAME,LAST_NAME) values (?,?,?)");
          stat2.setString(1,textuserid.getText());
          stat2.setString(2,textfirstname.getText());
          stat2.setString(3,textlastname.getText());
          stat2.executeUpdate();
          JOptionPane.showMessageDialog(frame,new String("Successfully entered to excel sheet !!!"));
     catch(Exception e1)
          JOptionPane.showMessageDialog(frame,new String("Error while inserting to excel sheet !!! \n" +
e1));
exit.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent ex)
     System.exit(0);
Message was edited by:
lesbon

Answer 1

This works fine for me. Adapt it.
import java.sql.*;
public class ExcelInsert
   public static final String DEFAULT_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
   public static final String DEFAULT_URL = "jdbc:odbc:DRIVER={Microsoft Excel Driver (*.xls)};DriverID=22;READONLY=false;DBQ=";
   public static final String DEFAULT_PATH = "C:\\Documents and Settings\\Michael\\My Documents\\Projects\\Java\\Forum\\data\\ExcelInsert.xls";
   private static final String DEFAULT_SQL = "INSERT INTO [SHEET1$] VALUES(?, ?, ?)";
   private Connection conn;
   public static void main(String[] args)
      Connection c = null;
      try
         c = createConnection(DEFAULT_DRIVER, DEFAULT_URL+DEFAULT_PATH);
         ExcelInsert inserter = new ExcelInsert(c);
         String v1 = ((args.length > 0) ? args[0] : "foo");
         String v2 = ((args.length > 1) ? args[1] : "bar");
         String v3 = ((args.length > 2) ? args[2] : "baz");
         int numRows = inserter.insert(v1, v2, v3);
         System.out.println("# rows inserted: " + numRows);
      catch (Exception e)
         e.printStackTrace(System.err);
      finally
         close(c);
   public static Connection createConnection(String driver, String url) throws SQLException, ClassNotFoundException
      Class.forName(driver);
      return DriverManager.getConnection(url);
   public ExcelInsert(Connection conn)
      this.conn = conn;
   public static void rollback(Connection c)
      try
         if (c != null)
            c.rollback();
      catch (SQLException e)
         e.printStackTrace();
   public static void close(Connection c)
      try
         if (c != null)
            c.close();
      catch (SQLException e)
         e.printStackTrace();
   public static void close(Statement s)
      try
         if (s != null)
            s.close();
      catch (SQLException e)
         e.printStackTrace();
   public int insert(String a1, String a2, String a3) throws SQLException
      int numRows = 0;
      PreparedStatement stmt = null;
      try
         stmt = this.conn.prepareStatement(DEFAULT_SQL);
         stmt.setString(1, a1);
         stmt.setString(2, a2);
         stmt.setString(3, a3);
         numRows = stmt.executeUpdate();
      catch (SQLException e)
         e.printStackTrace();
      finally
         close(stmt);
      return numRows;
}%