有两个 List<Hashtable>
Hashtable中有 "id" "name' ...
集合listA 和 listB
取得listB中id不等于listA id的数据,用linq怎么实现?
var query = from p in people where p.ID == 1 from r in roles where r.ID != p.IDRole select new { p.FirstName, p.LastName, r.Role };
http://www.java2s.com/Code/CSharp/LINQ/Jointwoobjectlists.htm