sql命令linq

Question

我無法將sql命令代碼轉換爲linq。 請SQL命令

select * from Student Where Id Not In (select Nm from Student) 

感謝

Answer 1

試試這個，

YourDataContext dc = new YourDataContext(); 

var query = 
    from st in dc.Students 
    where !(from n in dc.Students 
      select n.Nm) 
      .Contains(st.Id) 
    select st;