Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/csharp/323.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
C# 林克,马克斯在哪里_C#_Linq To Sql - Fatal编程技术网

C# 林克,马克斯在哪里

C# 林克,马克斯在哪里,c#,linq-to-sql,C#,Linq To Sql,我目前有以下linq声明: from s in SubContentRevisions where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da") && s.RevisionNumber == (SubContentRevisions.Max(s1 => s1.RevisionNumber)) select s 这将生成此SQL(根据LINQPad): 如何使其生成此SQL语句?我似乎找不到任何相

我目前有以下linq声明:

from s in SubContentRevisions
where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")
&& s.RevisionNumber == (SubContentRevisions.Max(s1 => s1.RevisionNumber))
select s
这将生成此SQL(根据LINQPad):

如何使其生成此SQL语句?我似乎找不到任何相关的东西。(我需要它将where子句添加到子查询)

我想你想要:

from s in SubContentRevisions
where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")
  && s.RevisionNumber == (SubContentRevisions.Where(s.SubContentID.Equals("..."))
                                             .Max(s1 => s1.RevisionNumber))
select s
或者更清楚地说:

var specificSubContents = SubContentRevisions.Where(s => 
               s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")

var query = from s in specificSubContents
            where s.RevisionNumber = s.Max(s1 => s1.RevisionNumber)
            select s;
或者,听起来你实际上可以做到:

var latest = (from s in SubContentRevisions
              where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")
              orderby s.RevisionNumber descending
              select s).FirstOrDefault();
我想你想要:

from s in SubContentRevisions
where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")
  && s.RevisionNumber == (SubContentRevisions.Where(s.SubContentID.Equals("..."))
                                             .Max(s1 => s1.RevisionNumber))
select s
或者更清楚地说:

var specificSubContents = SubContentRevisions.Where(s => 
               s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")

var query = from s in specificSubContents
            where s.RevisionNumber = s.Max(s1 => s1.RevisionNumber)
            select s;
或者,听起来你实际上可以做到:

var latest = (from s in SubContentRevisions
              where s.SubContentID.Equals("e3f319f1-65cc-4799-b84d-309941dbc1da")
              orderby s.RevisionNumber descending
              select s).FirstOrDefault();

如何将where子句添加到子查询(max):


如何将where子句添加到子查询(max):


哇!我不敢相信我没试过。哇。。。我不敢相信我没试过。