本文介绍了LINQ VB.NET语法帮助的处理方法,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

我一直在尝试用VB编写此代码段,有人可以看到它的问题吗?我在第5行收到错误消息.

谢谢.

Hi, I've been trying to write this snippet of code in VB, can anyone see what is wrong with it? I am recieving an error on line 5.

Thanks.

Dim a1 = From rows In db.tPDMLinkUsages _
Where (rows.ACCESSDATE >= DateTime.Today.AddDays(-90)) _
Select New With _
{ _
.ORGANIZATION = db.vWindchillUsers.Single(Function(v) v.USERNAME = rows.USERNAME), _
.ACCESSDATE = rows.ACCESSDATE _
}

Dim a2 = From rows In a1 _
Group rows By u.ORGANIZATION Into uGroup _
Select New With _
{ _
.ORGANIZATION = uGroup.Key, _
.AVERAGEDAILY = uGroup.Count() / 90.0, _
.HIGHWATER= uGroup.GroupBy(Function(v) v.ACCESSDATE).Max(Function(g) g.Count())

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08-22 21:03