Replace exact one null in column.

[alleckii]

Hi,

Edit:

I described my problem incorrectly. The data source is MS SQL, after downloading the data to PowerBI, I want to do data transformation in Power Query. One of the columns has missing data (nulls), which I would like to fill with different values. I can't do it in MS SQL because I don't have proper access to DML operations. The problem is that I can't change exactly one cell with a null value. Option replace the value replaces all nulls in the entire column.

I'm facing problem with replacing exact one null in column. Everywhere are tips to use replace with option, but this changes all nulls. After reading many solutions, I started wondering is it even possible to change exact one null. 

Thanks for help!
Alleckii

[SpartaBI · Accepted solution]

@alleckii you can't replace it but you can add a new column in PQ or DAX with a logic that will create the column you need. The logic will require that the row will have something that will distinguish it from the other rows in your table

[claymcooper · Accepted solution]

Are the values in the other columns unique? Meaning could you create a conditional column (either in Power Query or data view) to add in your value? Something like this: = IF( [unique column] = ABC), 25000$, [Price]

[alleckii]

Yes, there are unique values for every row. Conditional column will work for sure. Thanks!

[Anonymous]

Hi @alleckii 

You can try the below code, replace the table and column name with the exact name from your report.

IF(ISBLANK('Table'[Column]),"Replacement Field", 'Table'[Column])

[alleckii]

It's not what I'm looking for, but that's because I described my problem incorrectly at the begining.

[SpartaBI]

@alleckii maybe based on logic that will take account other columns if they differ in a way you can control which null will be replaced.
Can you share an example data and what you want to achieve

[alleckii]

I described my problem incorrectly. From the beginning. The data source is MS SQL, after downloading the data to PowerBI, I want to do data transformation in Power Query. One of the columns has missing data (nulls), which I would like to fill with different values. I can't do it in MS SQL because I don't have proper access to DML operations. The problem is that I can't change exactly one cell with a null value. Option replace the value replaces all nulls in the entire column.

This is example of a column that I have in my table:

	Price
	15000$
	null
	10000$
	null
	null
	null
	45000$

And this is what I want to achvieve:

	Price
	15000$
	null
	10000$
	null
	25000$
	null
	45000$

[SpartaBI · Accepted solution]

@alleckii you can't replace it but you can add a new column in PQ or DAX with a logic that will create the column you need. The logic will require that the row will have something that will distinguish it from the other rows in your table

[alleckii]

Just as I thought. Great! Thanks for help!

[SpartaBI]

@alleckii my pleasure 🙂

Check out my showcase report - got some high level stuff there. Sure you will find there a lot of cool ideas. 
https://community.powerbi.com/t5/Data-Stories-Gallery/SpartaBI-Feat-Contoso-100K/td-p/2449543
Give it a thumbs up over there if you liked it 🙂