设置和开启定时器

在Global.asax.cs中开启定时器

public void Application_Start(object sender, EventArgs e)
        {
            logger.Warn("Application_Start");

            JobManager.Init();//定时任务

        }

在JobManager.cs中设置定时器

public class JobManager
    {
        Timer Create_Order_Timer;
        /// <summary>
        /// 初始化定时任务，只可在应用开始时调用一次
        /// </summary>
        public static void Init()
        {
            new JobManager().StartAll();
        }

        /// <summary>
        /// 开始所有任务
        /// </summary>
        void StartAll()
        {
         //自动下载订单
                Create_Order_Timer = new Timer(40000);
                Create_Order_Timer.Elapsed += new ElapsedEventHandler(OnTimedEvent_Create_Order);
                Create_Order_Timer.Enabled = true;
        }
        //定时生成订单
        void OnTimedEvent_Create_Order(object sender, ElapsedEventArgs e)
        {
            try
            {
                //每分钟检查一次任务
                Auto_Create_Order.Auto_Create_Order_Task();
                Create_Order_Timer.Interval = 1000 * 60;
                Create_Order_Timer.Enabled = true;
            }
            catch (Exception ex)
            {
                logger.Error("", ex);
                //throw;
            }
        }
}