public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==add)
		{
			try
			{
				Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
			}
			catch (ClassNotFoundException ce)
			{
				JOptionPane.showMessageDialog(ss,ce.getMessage());
			}
			try
			{
				Connection con = DriverManager.getConnection("jdbc:odbc:sysdb","sa","");
				Statement stmt = con.createStatement();
				int a = stmt.executeUpdate("insert into ϵɼ(SID ,  , Linuxϵͳ , רҵӢ , Ϣ , Java , ݿӦʵѵ̳ , ߵѧ , Xml)values('"+txt[0].getText()+"','"+txt[1].getText()+"','"+txt[2].getText()+"','"+txt[3].getText()+"','"+txt[4].getText()+"','"+txt[5].getText()+"','"+txt[6].getText()+"','"+txt[7].getText()+"','"+txt[8].getText()+"')");
				if(a==1)
				{
					JOptionPane.showMessageDialog(ss,"ӳɹ");
				}
				else
				{
					JOptionPane.showMessageDialog(ss,"ʧ");
				}
			}
			catch (SQLException se)
			{
				JOptionPane.showMessageDialog(ss,se.getMessage());
			}
		}
		else
		{
			for(int i = 0 ; i<txt.length ; i++)
			{
				txt[i].setText("");
				txt[0].requestFocus();
			}
		}
	}