LINQ Group by SUM [英] LINQ Group by SUM
本文介绍了LINQ Group by SUM的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
给出以下查询
Dim Query = From c In DB.Crt _
Where c.Member.Locked = False _
And c.Member.Verified = True _
And c.Ct > 0 _
Order By c.Ct Ascending _
Select New With {.MemberID = c.MemberID, _
.Ct = c.Ct}
我如何通过 c.ct
?
类似于 SUM OF(c.Ct)> 0
推荐答案
试试这个:
Try this:
Dim Query =
From c In DB.Crt _
Where c.Member.Locked = False _
And c.Member.Verified = True _
And c.Ct > 0 _
Order By c.Ct Ascending _
Group c.Ct By Key = c.MemberID Into Cts = Group _
Select New With { .MemberID = Key, .Ct = Cts.Sum() }
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