这条sql怎么改写为linq呢!急求!!!
SELECT workrecord.FinalStatus,count(JobInfo.GID) as StatusCount
FROM JobInfo
INNER JOIN Task ON JobInfo.GID = Task.JobId
Left JOIN WorkRecord ON WorkRecord.JobId = JobInfo.GID
where Task.EngineerID='aaa' and (WorkRecord.FinalStatus='bbb' or WorkRecord.FinalStatus='ccc')
Group by WorkRecord.FinalStatus linq sql
[解决办法]
不想写了,参考http://www.cnblogs.com/Mayvar/archive/2011/07/04/wanghonghua_20110704.html
[解决办法]
var query=from j in JobInfo
join t in Task.Where(x=>x.EngineerID=="aaa") on j.GID equals t.JobId
join wr in WorkRecord.Where(x=>x.FinalStatus=="bbb"
[解决办法]
x.FinalStatus=="ccc")
on wr.JobId equals j.GID into leftGroup
from wr in leftGroup.DefaultIfEmpty()
group wr by wr.FinalStatus into g
select new {FinalStatus=g.Key,StatusCount=g.Count()};