摘要: { attributeSumValue= beforEntity.Sum(e => Convert.ToDecimal( e.GetType().GetProperties().Where(o => o.Name == attributeName).Single().GetValue(e, nul... 阅读全文
posted @ 2014-09-01 17:00 虫虫飞520 阅读(369) 评论(0) 推荐(0)