public class ShiftNotify : IJob
        {
            public void Execute(IJobExecutionContext context)
            {
                new BLL.XXX();
            }
        }

        protected void Application_Start(object sender, EventArgs e)
        {
            ISchedulerFactory factory = new StdSchedulerFactory();
            _scheduler = factory.GetScheduler();

            IJobDetail job = new JobDetailImpl("Job", "Default", typeof(ShiftNotify));

            ITrigger trigger = new CronTriggerImpl("trigger", "Default", "*/5 * * * * ?");
            _scheduler.ScheduleJob(job, trigger);
            _scheduler.Start();
        }