日期:2014-05-20  浏览次数:21234 次

linq group by 多条件并返回原数据。
C# code

(from p in qList 
                 group p by 
                    new { p.itemCode, p.City, p.VcCode } 
                 into g 
                      select new 
                 { 
                    q_count = g.Sum(p=>p.iSampleCount),
                    q_price = g.Sum(p=>p.iPrice),
                    q_amt = g.Sum(p=>p.iAmt),
                    q_itemCode = //这里我想得到p.itemCode
                 }).ToList();



请问这里该怎么写才能得到需要的值?

------解决方案--------------------
C# code
(from p in qList 
group p by 
new { p.itemCode, p.City, p.VcCode } 
into g 
select new 

q_count = g.Sum(p=>p.iSampleCount),
q_price = g.Sum(p=>p.iPrice),
q_amt = g.Sum(p=>p.iAmt),
q_itemCode = g.Key. itemCode
}).ToList();


------解决方案--------------------
q_itemCode = g.Key.itemCode