摘要: //判断右表是否为空并为映射表进行赋值标志var query=from q in product join m in favProduct on q.Name equals m.Name into t from x in t.DefalultEmpty() select new { Name=q.N 阅读全文
posted @ 2017-02-11 23:07 张追逐 阅读(2180) 评论(0) 推荐(0) 编辑