Minor adjustment ?

Question

I need to alter this formula so that is can deal with blank values.&nbsp;This formula works if the column always has a value but now i want to use this formula for another column which may contain blank values and then the formula needs to skip that row.Basically it only has to calculate if the colum 'OA retour gestuurd' has a (date) value that is why i thought i could use the red part in the formula but then it returns an error. When i skipp the red part it returns the error dat the begin and enddate in a calendar function cannot be empty.&nbsp;Doorlooptijd correctie Sisu in Werkdagen = VAR YourDate = if(IsBlank([Afgerond]); TODAY(); [Afgerond])RETURNCOUNTROWS( IF(Query1[OA retour gestuurd]&lt;&gt;null;&nbsp;&nbsp;&nbsp;&nbsp;FILTER(ADDCOLUMNS(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CALENDAR(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[OA retour gestuurd]; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;YourDate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"DayofWeek"; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WEEKDAY(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Date];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[DayofWeek] &lt;&gt; 6 &amp;&amp; [DayofWeek] &lt;&gt; 7&nbsp;&nbsp;&nbsp;&nbsp;)))

v-eachen-msft · Answer

Hi&nbsp;RonaldvdH&nbsp;,
&nbsp;
You could replace "null" with "blank()" or use NOT(ISBLANK(&nbsp;Your logic&nbsp;)) . DAX&nbsp;unrecognizes the meaning of "null".
&nbsp;

ronaldvdh · Answer

v-eachen-msft&nbsp;both options return errors im afraid.&nbsp;&nbsp;Doorlooptijd correctie Sisu in Werkdagen = VAR YourDate = if(IsBlank([Afgerond]); TODAY(); [Afgerond])RETURNCOUNTROWS( if(not(ISBLANK(Query1[OA retour gestuurd];&nbsp;&nbsp;&nbsp;&nbsp;FILTER(ADDCOLUMNS(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CALENDAR(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[OA retour gestuurd]; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;YourDate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"DayofWeek"; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WEEKDAY(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Date];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[DayofWeek] &lt;&gt; 6 &amp;&amp; [DayofWeek] &lt;&gt; 7&nbsp;&nbsp;&nbsp;&nbsp;)))))

v-eachen-msft · Answer

Hi&nbsp;RonaldvdH&nbsp;,
&nbsp;
After my testing, I found that you have wrong&nbsp;brackets(your "not" and "isblank" functions have wrong brackets). You could try the following DAX.
Doorlooptijd correctie Sisu in Werkdagen =
VAR YourDate =
    IF ( ISBLANK ( [Afgerond] ); TODAY (); [Afgerond] )
RETURN
    COUNTROWS (
        IF (
            NOT ( ISBLANK ( Query1[OA retour gestuurd] ) );
            FILTER (
                ADDCOLUMNS (
                    CALENDAR ( [OA retour gestuurd]; YourDate );
                    "DayofWeek"; WEEKDAY ( [Date]; 2 )
                );
                [DayofWeek] &lt;&gt; 6
                    &amp;&amp; [DayofWeek] &lt;&gt; 7
            )
        )
    )
&nbsp;

ronaldvdh · Answer

v-eachen-msft&nbsp; i believe we are almost there but this formula still returns an errorThe expression refers to multiple columns. Multiple colums can't be converted to a scalair scale

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Minor adjustment ?

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