public static void ClearCountByTime() { System.Timers.Timer aTimer = new System.Timers.Timer(); aTimer.Elapsed += new ElapsedEventHandler(TimeEvent); // 设置引发时间的时间间隔 此处设置为１秒 aTimer.Interval = 1000; aTimer.Enabled = true; } private static void TimeEvent(object source, ElapsedEventArgs e) { // 得到 hour minute second 如果等于某个值就开始执行 int intHour = e.SignalTime.Hour; int intMinute = e.SignalTime.Minute; int intSecond = e.SignalTime.Second; // 定制时间,在00：00：00 的时候执行 int iHour = 00; int iMinute = 00; int iSecond = 00; // 设置 每天的00：00：00开始执行程序 if (intHour == iHour && intMinute == iMinute && intSecond == iSecond) { ClearCount(); } } public static void ClearCount() { string sql = "要执行的存储过程"; int result=SqlHelper.ExecuteNonQuery(CommandType.StoredProcedure, sql); if (result > 0) { //TodayCount清零成功！; } else { //TodayCount清零失败！; } }