Linq to sql 求和操作

SieSteven發表於2015-11-30
原文網址 : https://blog.csdn.net/missingshirely/article/details/50118359
SQL

linq to sql 操作

20151130

一、求和

from p in db.tblParts
group p by p.partName into g
select new {
partName = g.key,
totalWeight = g.Sum(p => p.partWeight)
}


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