摘要： LINQ中不能直接使用DateTime，否则会报错：‘The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity members, and entity navigation properties are support’需要把DateTime定义在LINQ之外，例如： var now = DateTime.Now.Date; var query = from a in _workPeriodRepository.Ta... 阅读全文