将SQL语句转换为linq表达式

Question

我需要帮助将此SQL语句转换为linq表达式

        select user_ID, ticket_type, count (ticket_type) as Total

        FROM database

        group by user_ID, ticket_type

        order by user_ID, ticket_type

当我试图用linq表达式编写2组时，我陷入了困境

var list2 = from p in list
            group p.Ticket.user_ID by p.Ticket.user_id;
            group p.Ticket.ticket_type by p.Ticket.ticket_type

任何人都可以帮忙吗？

Answer 1

var list2 = list.select（p）.GroupBy（p =＆gt; p.user_ID，p =＆gt; p.ticket_type）.OrderByDescending（g =＆gt; user_ID）。ToList（）