LINQ在条件为“或”的情况下左联接

Question

我想用linq编写此查询。请帮忙!!!

select  * from TableA a
join Table B b
on a.ID = b.ID
left join TableC c
on b.ID=c.ID or b.ID = c.Text

Answer 1

  

您不需要总是加入。

  var result =  from a in TableA
  from b in TableB
  from c in TableC
  where a.ID == b.ID && b.ID = c.ID || b.ID == c.Text