Vlookup in 2 columns (OR)

[vnqt]

Hi,

I would like to use vlookup to compare ColumnA of TableA to 2  columns (B1 and B2) in TableB:

if(ISBLANK(LOOKUPVALUE(TableA[ColumnA],TableA[ColumnA],TableB[ColumnB1])),"No","Yes")

if(ISBLANK(LOOKUPVALUE(TableA[ColumnA],TableA[ColumnA],TableB[ColumnB2])),"No","Yes")

I would like to group the 2 DAX, it means IF TableA[ColumnA] exists in TableB[ColumnB1] OR TableB[ColumnB2] , YES, NO

Thank you in advance for your help

Tg

[Nathaniel_C]

Hi @vnqt ,
Please give us a visual example of the tables and expected outcome.

If you would share your pbix, or dummy up some values in Excel both for current and expected data. Please copy and paste them into your post, rather than doing a picture, we may be able to help you. 

Please read this post to get your question answered more quickly:

https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490

Nathaniel

[Barthel · Accepted solution]

Hey @vnqt,

Give this a try:

Column = 
IF (
    OR (
        CALCULATE (
            NOT ISEMPTY ( 'TableB' ),
            TREATAS ( { TableA[ColomnA] }, 'TableB'[ColumnB1] )
        ),
        CALCULATE (
            NOT ISEMPTY ( 'TableB' ),
            TREATAS ( { TableA[ColomnA] }, 'TableB'[ColumnB2] )
        )
    ),
    "YES",
    "NO"
)

[vnqt]

Thank you for your help