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code compilation problem,please help

Discussion in 'Java' started by rosesinspring, Jul 12, 2008.

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  1. rosesinspring

    rosesinspring New Member

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    Code:
    import java.awt.*;
    import java.sql.*;
    import java.awt.event.*;
    public class pubinfo implements ActionListener
    {
    Label lpubid;
    TextField pub_id;
    Button insert;
    Panel p1;
    Frame f1;
     Connection con;
    PreparedStatement stat;
    Statement stmt;
    ResultSet rs;
    public pubinfo()
    {
    try
    {
    	Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
    String url = "jdbc:odbc:+LifeLine2";
    Connection db_connection = DriverManager.getConnection (url, "sa", "friendship");
    Statement stmt = db_connection.createStatement();
    }
    catch (ClassNotFoundException cnfe) 
    {
    	System.err.println ("Unable to load database driver");
    	System.err.println ("Details : " + cnfe);
    	System.exit(0);
    }
    }
    public void display()
    {
    f1 =new Frame("pubinfo");
    p1 =new  Panel();
    lpubid =new Label("Login");
    pub_id=new TextField(6);
    insert =new Button("ok");
    
    lpubid.setBounds(250,35,200,40);
    pub_id.setBounds(100,90,100,25);
    p1.add(lpubid);
    p1.add(pub_id);
    
    insert.addActionListener(this);
    }
    
    
    public void actionPerformed(ActionEvent ae)
    {
    if(ae.getActionCommand() == "ok")
    {
    try
    {
    stat=con.prepareStatement("INSERT INTO pubinfo VALUES(?)");
    String pid=pub_id.getText();
    stat.setString(1,pid);
    stat.executeUpdate();
    pub_id.setText(" ");
    }
    
    catch(Exception e)
    {
    System.out.println(" Error1:" +e);
    error.SetText("row not inserted");
    }
    }
    }
    
    public static void main(String args[])
    {
    pubinfo p= new pubinfo();
    p.display();
    
    }
    }
     
    Last edited by a moderator: Jul 12, 2008
  2. shabbir

    shabbir Administrator Staff Member

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