Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Data Days is here! Join us now for 60+ days of learning, challenges, and connection. Learn more

Reply
Anonymous
Not applicable

Replace Null values with a current time stamp in datetime column

Hi Team,

i am new to power bi. i  ahve a data sets which holds DATETIME column which have some NULL values . which i want to replace with the current time stamp. please help

1 ACCEPTED SOLUTION
Anonymous
Not applicable

HI @Anonymous,

I'd like to suggest you use replace value function to directly replace these null value to default value(you can't directly use power query function in the navigation pane), then you can use DateTime.LocalNow function to replace that static value to local DateTime.(replace value will auto changes when local datetime changes)

83.gif

Regards,

Xiaoxin Sheng

View solution in original post

3 REPLIES 3
Anonymous
Not applicable

HI @Anonymous,

I'd like to suggest you use replace value function to directly replace these null value to default value(you can't directly use power query function in the navigation pane), then you can use DateTime.LocalNow function to replace that static value to local DateTime.(replace value will auto changes when local datetime changes)

83.gif

Regards,

Xiaoxin Sheng

amitchandak
Super User
Super User

@Anonymous , In Data transformation you have the option to replace value try that or create a new column in dax like this

https://yodalearning.com/tutorials/learn-how-replace-values-power-query/

https://docs.microsoft.com/en-us/power-bi/desktop-shape-and-combine-data

 

DAX

New column= if(isblank([datetime]),now(),[datetime])

OR

New column= coalesce([datetime],now())

 

Share with Power BI Enthusiasts: Full Power BI Video (20 Hours) YouTube
Microsoft Fabric Series 60+ Videos YouTube
Microsoft Fabric Hindi End to End YouTube
az38
Community Champion
Community Champion

Hi @Anonymous 

create a new column

Column = IF(ISBLANK(Table[datetime]), NOW(), Table[datetime])

or a custom column in power query editor

= if [datetime] = null then DateTime.LocalNow() else [datetime]

 


do not hesitate to give a kudo to useful posts and mark solutions as solution
LinkedIn

Helpful resources

Announcements
Fabric Data Days is here Carousel

Fabric Data Days 2026

Don't miss out on Data Days, June 15 through August 7. Learn Fabric, Power BI, SQL, AI and more.

May Power BI Update Carousel

Power BI Monthly Update - May 2026

Check out the May 2026 Power BI update to learn about new features.

Power BI DataViz World Championships carousel

Power BI DataViz World Championships - June 2026

A new Power BI DataViz World Championship is coming this June! Don't miss out on submitting your entry.