#region 异步,刷新页面

        /// <summary>

        /// 页面加载事件

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void UserControl_Loaded(object sender, RoutedEventArgs e)

        {

            dispatcherTimer.Tick += DispatcherTimer_Tick;//绑定计时器事件

            dispatcherTimer.Interval = new TimeSpan(, , );//设置时间间隔：：每隔1秒刷新页面

            dispatcherTimer.Start();//开启运行

        }

        /// <summary>

        /// 计时器事件：异步执行[刷新当前页面]

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        public void DispatcherTimer_Tick(object sender, EventArgs e)

        {

            Task.Factory.StartNew(AsynchronousRefresh);

        }

        /// <summary>

        /// 刷新当前页面方法

        /// </summary>

        public void AsynchronousRefresh()

        {

            Task task = new Task(() => QueryCondition(index, page, true));

            task.Start();

        }

        #endregion