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Frequent Visitor

DAX Measure Sort by issue

I have a card on a report page that displays selected choices from slicers and I am having an issue obtaining the correct sort order for one of them. The measure is based on a simple table of two columns, 'Grade' (text) and 'Order' (whole number).

Grade   Order

 Teachers 1 2 P4 3 P5 4 K 5 1 6 2 7 3 8 4 9 5 10 6 11 7 12 8 13 9 14 10 15 11 16 12 17

My DAX Measure statement is:

List of Grade Values: =
VAR __DISTINCT_VALUES_COUNT = DISTINCTCOUNT('Grade_Sort_Order'[Grade])
VAR __MAX_VALUES_TO_SHOW = 17
RETURN
IF(
__DISTINCT_VALUES_COUNT <> __MAX_VALUES_TO_SHOW,
CONCATENATE(
CONCATENATEX(
TOPN(
__MAX_VALUES_TO_SHOW,
VALUES('Grade_Sort_Order'[Grade]),
'Grade_Sort_Order'[Grade],
ASC
),
'Grade_Sort_Order'[Grade],
", ",
'Grade_Sort_Order'[Grade],
ASC
),
""
),
"All"
)
As you can see, the CONCAT statement is set to order by  'Grade_Sort_Order'[Grade], whereas I need it to sort by  'Grade_Sort_Order'[Order] but the statement does not recognize the 'Order' column in the table. If I change it from Grade to Order I get the following error:
"A single value for column 'Order' in table 'Grade_Sort_Order' cannot be determined. This can happen when a measure formula refers to a column that contains many values without specifying an aggregation such as min, max, count, or sum to get a single result."
So using the order by of Grade, the order results of a selection of P4, 1, 4, 10 is: 1, 10, 4, P4 when what I need is P4, 1, 4, 10.
I have tried changing the column format to text and using 01, 02, 03, ect. but this did not work.
I have probably over explained this but I feel it is best to be wordy rather than vague.
Any thoughts are much appreciated.
Dan
1 ACCEPTED SOLUTION

Accepted Solutions
Highlighted
Super User IV

Re: DAX Measure Sort by issue

@Dan01 - Here is where you are limiting your table. I would replace what is in red bold below with this:

'Grade_Sort_Order'

So, just the table, which would include all columns in the table.

VAR __DISTINCT_VALUES_COUNT = DISTINCTCOUNT('Grade_Sort_Order'[Grade])
VAR __MAX_VALUES_TO_SHOW = 17
RETURN
IF(
__DISTINCT_VALUES_COUNT <> __MAX_VALUES_TO_SHOW,
CONCATENATE(
CONCATENATEX(
TOPN(
__MAX_VALUES_TO_SHOW,
VALUES('Grade_Sort_Order'[Grade]),
'Grade_Sort_Order'[Grade],
ASC
),
'Grade_Sort_Order'[Grade],
", ",
'Grade_Sort_Order'[Grade],
ASC
),
""
),
"All"
)

---------------------------------------

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4 REPLIES 4
Highlighted
Super User IV

Re: DAX Measure Sort by issue

@Dan01 - If I am understanding your code correctly, it looks like you are only feeding CONCATENATEX a single column "Grade" and thus your Order column is not available. You will need to start with both of your columns being fed into CONCANTENATEX and then you should not have a problem.

---------------------------------------

Putting square pegs in round holes since 1972.

I have a NEW book! DAX Cookbook from Packt
Over 120 DAX Recipes!

Did I answer your question? Mark my post as a solution!

Proud to be a Super User!

Highlighted
Frequent Visitor

Re: DAX Measure Sort by issue

@Greg_Deckler  - Hi Greg, and thank you for the responce.

Sorry for the delay in getting back with you. Right after I made my post I got slammed with work and couldn't get back until now.

I have tried manay different ways to "feed CONCATENATEX" with the (Grade_Sort_Order.[Order] column but nothing I try has worked.

Where, in my expression above, would I reference the [Order] column?

Thank you for your help.

Dan

Highlighted
Super User IV

Re: DAX Measure Sort by issue

@Dan01 - Here is where you are limiting your table. I would replace what is in red bold below with this:

'Grade_Sort_Order'

So, just the table, which would include all columns in the table.

VAR __DISTINCT_VALUES_COUNT = DISTINCTCOUNT('Grade_Sort_Order'[Grade])
VAR __MAX_VALUES_TO_SHOW = 17
RETURN
IF(
__DISTINCT_VALUES_COUNT <> __MAX_VALUES_TO_SHOW,
CONCATENATE(
CONCATENATEX(
TOPN(
__MAX_VALUES_TO_SHOW,
VALUES('Grade_Sort_Order'[Grade]),
'Grade_Sort_Order'[Grade],
ASC
),
'Grade_Sort_Order'[Grade],
", ",
'Grade_Sort_Order'[Grade],
ASC
),
""
),
"All"
)

---------------------------------------

Putting square pegs in round holes since 1972.

I have a NEW book! DAX Cookbook from Packt
Over 120 DAX Recipes!

Did I answer your question? Mark my post as a solution!

Proud to be a Super User!

Highlighted
Frequent Visitor

Re: DAX Measure Sort by issue

Thank you Greg. That did the trick. I never thought of referring to the table as a whole, I was concentrating on adding a reference to the [Order] column itself.

I appreciate your time.

Dan

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