我有一个表'lasttraces',带有以下字段.
Id, AccountId, Version, DownloadNo, Date
数据如下所示:
28092|15240000|1.0.7.1782|2009040004731|2009-01-20 13:10:22.000
28094|61615000|1.0.7.1782|2009040007696|2009-01-20 13:11:38.000
28095|95317000|1.0.7.1782|2009040007695|2009-01-20 13:10:18.000
28101|15240000|1.0.7.1782|2009040004740|2009-01-20 14:10:22.000
28103|61615000|1.0.7.1782|2009040007690|2009-01-20 14:11:38.000
28104|95317000|1.0.7.1782|2009040007710|2009-01-20 14:10:18.000
在LINQ to SQL中,我怎样才能获得每个AccountId(具有最高日期的那个)的最后一个lasttrace？