------解决方案-------------------- 如果要速度最快就得大牛了 ------解决方案-------------------- List<persong> list1=new List<persong>();
List<persong> list2=new List<persong>();
var query=from l1 in list1
from l2 in list2
where l1.userid=l2.userid
select new
{
userid=l1.userid,
mone=l2.mone,
........
} ------解决方案--------------------