Return a value based on the latest date into my matrix

[jabbajuice08]

I need to grab the first ID # value in a drillthrough list (task with the latest finish date) and bring it into my matrix. I tried:

calc column = 
CALCULATE(
   FIRSTNONBLANK( Tbl1[ID#] ),1 ), 
   FILTER( ALL ( Tbl2, Tbl2[HO Link #] = Tbl1[ID#] ) 
)

 However, this is only bringing in the first value that is listed alphabetically. I need the first value that has the latest finish date of each group of tasks (this is based on drilling through each unique ID # to find the list of ID #'s associated with that parent ID).

[v-rzhou-msft]

Hi @jabbajuice08 ,

Please try this code to create a calculated column.

calc column =
VAR _LASTFINISHDATE =
    CALCULATE ( MAX ( Tbl1[Finish Date] ), ALLEXCEPT ( Tbl1, Tbl1[ID#] ) )
RETURN
    CALCULATE (
        FIRSTNONBLANK ( Tbl1[ID#], 1 ),
        FILTER ( ALL ( Tbl2 ), Tbl2[HO Link #] = Tbl1[ID#] ),
        FILTER ( Tbl1, Tbl1[Finish Date] = _LASTFINISHDATE )
    )

If this reply still couldn't help you solve your issue, please share a sample file with me and show me a screenshot with the result you want. 

Best Regards,
Rico Zhou

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