Forum Discussion
IF DAX for date function
Thanks for that! But I think I've finally figured it out.
Below is my final DAX:
First Transaction Date = IF(
LOOKUPVALUE(Account[LastTransactionDate],'Account'[PositionAccountNo],'Dormant Account Reactivation'[ClientCode])>'Dormant Account Reactivation'[ReactivationDate],
LOOKUPVALUE(Account[LastTransactionDate],'Account'[PositionAccountNo],'Dormant Account Reactivation'[ClientCode]),
BLANK())
My problem was, i have to pick up the LastTransactionDate column from another table and then compare it with the ReactivationDate column with my existing table, and return with either LastTransactionDate or BLANK.
It contains 2 conditions: (1) lookup up value, (2) if condition.
I just did this and the data looks fine to me. I hope it doesn't have any underliying issue that I haven't seen yet. *finger crossed*
if you use the same code for a measure and plot the same table visual with the measure. it shall work, or?
FreemanZ ,
Which one?
What I need is, to lookup the LastTransactionDate in Account table, and check if it is later than the ReactivationDate in DormantAccountReactivation table, if it is, then return value as LastTransactionDate in Account table, else leave it as blank
This DAX gives me error:
First Transaction Date = IF('Account'[LastTransactionDate]>'Dormant Account Reactivation'[ReactivationDate],'Account'[LastTransactionDate],blank())
I've tried creating for a new measure and a new column, both didn't work.
The error I've gotten is:
A single value for column 'LastTransactionDate' in table 'Account' 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.
post some data and let us see how it shall work.
Post Sample Data
UPDATE: @ImkeF wrote a fantastic article for the best way to post data to the forums: https://community.powerbi.com/t5/Community-Blog/How-to-provide-sample-data-in-the-Power-BI-Forum/ba-....
FreemanZ , I've created an example, does it make sense?
Table 1:
ClientID LastTransaction Date 1 30/10/2023 2 28/5/2021 3 9/6/2022 4 10/10/2023 5 21/12/2020 Table 2:
ClientID Reactivation Date 5 1/8/2023 4 2/8/2023 3 3/8/2023 2 4/8/2023 1 5/8/2023 Expected outcome:
ClientID FirstTransactionDate 1 30/10/2023 2 3 4 10/10/2023 5 how are table1 and table2 related?