Posts Tagged ‘LinQ’
在 LinQ 语句中实现 Left Join 操作
星期四, 九月 18, 2008 10:23 No Commentsvar query = (from p in dc.GetTable<Person>()
join pa in dc.GetTable<PersonAddress>() on p.Id equals pa.PersonId into tempAddresses
from addresses in tempAddresses.DefaultIfEmpty(new PersonAddress())
select new { p.FirstName, p.LastName, addresses.State });