0
我正在學習LINQ。SQL Server到LINQ組通過有
我在SQL Server中:
create table Something(id int, num int)
insert into Something(id, num) values(1, 10);
insert into Something(id, num) values(1, 10);
insert into Something(id, num) values(2, 7);
insert into Something(id, num) values(2, 7);
insert into Something(id, num) values(2, 7);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(3, 5);
insert into Something(id, num) values(4, 5);
select id
from something
group by id, num
having count(*) < num
結果是:4,2和1
我想在LINQ:
var query =
(from m in lst
group m by new { m.id, m.num } into g
where g.Count() < m.num).ToList();
我想比較g.Count ()與「num」字段,但在我的代碼有問題
Thansk爲您提供幫助!
發生了什麼。你能比「不跑」更具體嗎?謝謝 –