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JeremyVdB
Level: Powered On

Filter Sharepoint list with blank date

Hello,

 

I have a power app which is supposed to select a Sharepoint list and display them in my gallery only if the value of a column (set in date/time format on Sharepoint) is blank.

I have tried the solution frome here : https://powerusers.microsoft.com/t5/General-Discussion/Filter-sharepoint-list/m-p/35713#M14753 but it doesn't work for me.

In the gallery/Items, I have this : If(IsBlank(Membres.'Date payement');SortByColumns(Membres;"Nom";Ascending)).
It supposed to return one element but no result is shown on my app.

Capture.JPG

There you can see all items in my list has a value except for the last one.

 

Can someone help me figure out what is wrong ?

 

Thanks !

 

1 ACCEPTED SOLUTION

Accepted Solutions
Super User
Super User

Re: Filter Sharepoint list with blank date

@JeremyVdB 

Try changing your formula to the following:

SortByColumns(Filter(Membres; IsBlank('Date payement');"Nom";Ascending)

You need to specify the column you are checking to be blank in the IsBlank, including the datasource name and the column name is not valid and will not return results.

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8 REPLIES 8
Super User
Super User

Re: Filter Sharepoint list with blank date

As your statement currently reads, you are checked to see if there is a blank date, but then you are simply sorting all your data and showing because you do not have a filter to limit your sort to only the records which are blank.  I didn't test this, but it should be something close to:

 

SortByColumns(Filter(Membres, IsBlank(Members.'Date payement'),"Nom";Ascending)

(Not sure if I substituted ; for , in all the right spots since I'm not used to that.)

 

This assumes you only want to show rows with the blank date which is what I understood you to want.

JeremyVdB
Level: Powered On

Re: Filter Sharepoint list with blank date

 I tried this solution before the one shown above but it doesn't work :
 
SortByColumns(Filter(Membres;IsBlank(Membres.'Date payement'));"Nom";Ascending)

(I'm using ; instead of , because I'm in Europe and it doesn't accept , but 😉
Super User
Super User

Re: Filter Sharepoint list with blank date

@JeremyVdB What error or result does it give you when you try that formula? 

JeremyVdB
Level: Powered On

Re: Filter Sharepoint list with blank date

@LRVinNC it's not showing any result sadly
Super User
Super User

Re: Filter Sharepoint list with blank date

Interesting because I just ran a test and it pulled my record with a blank date only.  Just for grins, try "IsEmpty" instead of "IsBlank" and see if that changes anything.  When I use IsEmpty, I get nothing.  IsBlank gives me the record.  

Super User
Super User

Re: Filter Sharepoint list with blank date

@JeremyVdB 

Try changing your formula to the following:

SortByColumns(Filter(Membres; IsBlank('Date payement');"Nom";Ascending)

You need to specify the column you are checking to be blank in the IsBlank, including the datasource name and the column name is not valid and will not return results.

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up. Solved your problem? - Click on Accept as Solution. Others seeking the same answers will be happy you did.

View solution in original post

JeremyVdB
Level: Powered On

Re: Filter Sharepoint list with blank date

@RandyHayes Great, it's working.

Thanks for the explanation

omelo
Level: Powered On

Re: Filter Sharepoint list with blank date

Hi,

I've tried many different things and the filter doesn't work

This is what I have so far on the gallery/item

If(ComboBox2.SearchText<>"",Visitors)

I need to be able to filter to display records from the SP list where the checkout date is blank for the visitor.

 

The SP list is Visitors, the column name is CheckOut:date and time

 

Thank you for your help

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