TimeSpantime24=newTimeSpan(24,0,0);TimeSpantime18=newTimeSpan(18,0,0);//firstgettoday'ssleepinghoursListsleeps=context.Sleeps.Where(o=>(clientDateTime-o.ClientDateTimeStamptime18&&clientDateTime.TimeOfDay这个Linq表达式抛出这个异常:DbArithmeticExpressionargumentsmusthaveanumericcommontype.请帮忙!

TimeSpantime24=newTimeSpan(24,0,0);TimeSpantime18=newTimeSpan(18,0,0);//firstgettoday'ssleepinghoursListsleeps=context.Sleeps.Where(o=>(clientDateTime-o.ClientDateTimeStamptime18&&clientDateTime.TimeOfDay这个Linq表达式抛出这个异常:DbArithmeticExpressionargumentsmusthaveanumericcommontype.请帮忙!