topic Re: cannot specify column name without aggregation in DAX Commands and Tips

cannot specify column name without aggregation

sheetalshettiga — Wed, 23 Sep 2020 09:57:21 GMT

I have used Left() function to retreive left most characters

LEFT(PRODUCTS[PRODUCT_ID],1)

But it is showing error as aggregation should be applied.hence I used below syntax

LEFT(MAX(PRODUCTS[PRODUCT_ID]),1) which shows correct result

Why should I apply aggregation to every function.I tried with other dax functions as well it asks for aggregation of columns whenever i use a column.Ho can I avoid using aggregations?

Below is the dataset

Re: cannot specify column name without aggregation

Fowmy — Wed, 23 Sep 2020 10:05:48 GMT

sheetalshettiga

When you use a measure, you cannot access a value/column directly, it has to be covered by a function. If you are adding a column in a table then it is possible to directly refer without such functions as you are in a row context. This also applies when you use iteration functions such as SUMX, MAXX, and so on.

Hope it made it clear?

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Re: cannot specify column name without aggregation

sheetalshettiga — Wed, 23 Sep 2020 10:13:33 GMT

So what aggregation should I use while referring to any column in any of the dax functions ? Fowmy

Re: cannot specify column name without aggregation

Fowmy — Wed, 23 Sep 2020 10:13:48 GMT

sheetalshettiga

You can use MAX or SELECTEDVALUE

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