linq求解select sum(Convert(int,t.para_value)),t.para_key from (select * from biz_order_para where o
linq求解
select sum(Convert(int,t.para_value)),t.para_key from (
select * from biz_order_para where order_id in (1906,2907,2908,2909,2910,2911)
) t where t.para_key in ('Quota','Traffic','DBSpace') group by t.para_key
怎么用linq编写这个sql