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.Take(50) 相当于top 50

你问问题最好把表结构发出来,这样也节约你的时间。 ================================================= 应该类似如下Linq ( from c in 收藏表上下文 group c by c.产品ID into g orderby g.Count() descending select new { A=g.Key, B=g.Coun...

db.S.Where(q=>q.TypeID==1).OrderByDesending(q=>q.ID).Take(1);

使用的是SKIP从第几条记录索取,是从0开始计算的哦!,Take 取5条。 linq sample: (from n in Products select n.Auto_ID).Skip(4).Take (5) 转化的SQL 是: -- Region Parameters DECLARE @p0 Int SET @p0 = 4 DECLARE @p1 Int SET @p1 = 5 -- ...

var query = (from n in News where !( (from n2 in News select n2.NewsID).Take(20).Contains(n.NewsID)) select n).Take(10)

DataClasses1DataContext db = new DataClasses1DataContext(); var s = (from p in db.BusinessWaybill orderby p.id descending select p.id).First(); texts.Append(s..ToString());

DataClasses1DataContext db = new DataClasses1DataContext(); var s = (from p in db.BusinessWaybill orderby p.id descending select p.id).First(); texts.Append(s..ToString());

context.TestEntities.First().Id

select TOP 4*from Examine where ExamineLevel not in(select LinkLevel from Link where LinkClubId==3) --not in 把where条件改成不等于3就好啦 and ExamineTypeId not in(select LinkExamineTypeId from Link where LinkClubId==3 ) --not i...

1、QzoneEntities db = new QzoneEntities(); 定义为公共变量 2、柑橘 Create 方法没有必要返回数据 可以定义成 void 3、 List _LVQ = ... 改成: var _LVQ = db.VisitQQ.First(q => q.VQ_number == vq.VQ_number); if (_LVQ == null) db.VisitQ...

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