[英]Excel sum based on lookup of code and values in another table
Given 2 named tables in Excel 2013 (or higher): 在Excel 2013(或更高版本)中给定2个命名表:
tblInvoice tbl发票
ID InvRef Total
1 I/123 45
2 I/234 8
tblDeliveries tbl交货
ID InvRef Amt
1 I/123 10
2 I/123 15
3 I/123 20
4 I/234 5
5 I/234 3
How can we get the tblInvoice[Total]
to compute automatically using an Excel formula? 我们如何获得
tblInvoice[Total]
以使用Excel公式自动计算? ie in pseudocode: 即在伪代码中:
tblDeliveries[Total] = SUM(tblDeliveries[Amt] WHERE MATCH InvRef)
I have tried this Excel formula in tblInvoice[InvTotal]
but it is returning an incorrect value: 我已经在
tblInvoice[InvTotal]
尝试了这个Excel公式,但是返回的值不正确:
=SUMPRODUCT(SUMIF(tblDeliveries[InvRef],[InvRef],tblDeliveries[Amt]))
Also tried swapping the first and second parameters. 还尝试交换第一个和第二个参数。 Produces a different amount, but still incorrect:
产生不同的数量,但仍然不正确:
=SUMPRODUCT(SUMIF([InvRef],tblDeliveries[InvRef],tblDeliveries[Amt]))
If relevant, it is assumed that there is a 1:N relationship from tblInvoice[InvRef]
: tblDeliveries[InvRef]
and that tblInvoice[InvRef]
is UNIQUE. 如果相关,假定有一个1:从N的关系
tblInvoice[InvRef]
tblDeliveries[InvRef]
和tblInvoice[InvRef]
是独一无二的。
The syntax is incorrect for what you require. 语法不符合您的要求。
=SUMPRODUCT(SUMIF(tblDeliveries[InvRef],[@InvRef],tblDeliveries[Amt]))
The @ is the crucial difference. @是关键区别。
Regards 问候
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