需要帮助使用Linq将SQL查询转换为EF

Question

以下是查询：

select FC.Title, COUNT(FSC.ID) as FCCount, COUNT(FP.NoOfSub), MAX(FP.LastPost)
from ForumCategories FC
left join ForumSubCategories FSC on FSC.CategoryID_FK = FC.ID
left join (select SubCategoryID_FK, Count(ID) NoOfSub, MAX(DatePosted) LastPost  
           from ForumPosts group by SubCategoryID_FK) FP 
on FP.SubCategoryID_FK =  FSC.ID
group by FC.Title
order by FC.Title

Answer 1

您可以使用LINQPad，它支持ADO.NET ENtity框架：http://www.linqpad.net/

在QUERY中输入，并且有一个SQL选项卡，即SQL转换。