wince下ce3.0数据库连接

public static SqlCeConnection getCeConnection()
        {
             // 创建 SQL Server Mobile 数据库连接
            SqlCeConnection conn = null;
            try
            {
                conn = new SqlCeConnection();
                conn.ConnectionString ="Data Source ="
                                + (System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase)
                                + ("//yy//" + getDataSource()+ ";"
                                + ("Password =" + "/""+getPassword()+"/";")));
                conn.Open();
           
            }
            catch (SqlCeException e)
            {
                Console.WriteLine(e.StackTrace);
                throw e;
            }
            return conn;
        }