public void displayUpdate(){


         try
        {
        Class.forName("com.mysql.jdbc.Driver");
        Connection connect = DriverManager.getConnection("jdbc:mysql://localhost:3306/employee", "root", "");
        Statement st = connect.createStatement();
        rs = st.executeQuery("SELECT empno, firstname,lastname,deptcode,phoneno,hiredate,job FROM employee where empno = " + currentid);

        rs.next();

           empnoTField1.setText(rs.getString(1));
           fnameTField1.setText(rs.getString(2));
           lnameTField1.setText(rs.getString(3));
           deptCodeCombo1.setSelectedItem(rs.getString(4));
           phoneTField1.setText(rs.getString(5));
           hiredate1.setText(rs.getString(6));


           jobTField1.setText(rs.getString(7));

           connect.close();
       }
       catch(SQLException sqe){
         System.out.println("SQL error: " + sqe.toString());
        }
        catch(ClassNotFoundException cnf) {
         System.out.println("Class not found error : " + cnf.toString());
        }


    }