我有一个对象,它是两个对象A和B之间的组合:
class A
{
public Id {get; set;}
...
public B[] B_objs {get;set;}
}
class B
{
public Id {get; set;}
...
}
当我知道对象A id
时,我想使用EntityFramework和LINQ来查找对象B的列表dbContext
...
A A_object = UnitOfWork.A.FindById(id);
B[] B_Objects= A_object.B_objs ;
IQueryable<B> query = from B b in dbContext.B
from A in dbContext.A
where( b => A.B_objs.Contains(pr.Id))
select b;
我收到错误消息“lambda表达式的参数数量与委托参数的数量不匹配。”我该如何更正此查询? 谢谢
答案 0 :(得分:1)
IQueryable<Patient> query =
from b in dbContext.B
from a in dbContext.A
where a.B_objs.Contains(pr.Id)
select b;