摘要: var ss=from o in Orders from od in OrderDetails.Where(od=>od.OrderId == od.OrderId) from c in Courses.Where(c=>c.CourseId == od.CourseId) from cs in CourseSections.Where(cs => cs.CourseId == c.CourseId) ... 阅读全文
posted @ 2014-04-09 20:39 dapeng888 阅读(206) 评论(0) 推荐(0)