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WBADAM03
Helper III
Helper III

Filtering a sharepoint list with a collection on a column that has the same name across both

Hey all,

I am trying to filter a gallery to only show items that meet a certain criteria. 

I have a gallery with the following filter function: 

Filter('list1', 'MilestoneID' = MilestoneID in CommitteeRecordsofUser);

No syntax problem there.

Additionally, I checked the Collection of "CommitteeRecordsofUser" and that has all the proper items based on a sharepoint list called 'list2'.

I know that in 'List1' there are records that DO match the MilestoneID across 'List2'. The idea is for my gallery to show items from 'List1' only if they match the MilestoneID value from items in 'List2'.

The collection is created by the following: ClearCollect(CommitteeRecordsofUser, Filter('List2', MemberEmail = LoggedInMail)).

So by all accounts, I should have a gallery with approx 17 items, since there are 17 records in List1 with a MilestoneID that matches records in List2. 

However, I have no records and no errors. 

I checked that my collection is correct. 

I think this is giving me a problem because the column MilestoneID (the internal name) is exactly the same across List1 and List2, so I believe that powerapps is not evaluating this correctly because it doesn't recognize that the columns aren't the same. 

Any advice? 

My gallery:

WBADAM03_0-1691598560892.png


Collection showing all 17 items successfully in the collection: 

WBADAM03_1-1691598616805.png


Like I said above as well, I also made sure that list1 desired items do have the same exact MilestoneID record as the 17 items from List2. 

Any help is appreciated! 

4 ACCEPTED SOLUTIONS

Accepted Solutions
madlad
Super User
Super User

Hi! 

To differentiate with two similarly named columns, the As operator is always super handy.

Perhaps try something like:

Filter('list1' As L1, L1.'MilestoneID in CommitteeRecordsofUser.MilestoneID)

 

Hope this helps!

View solution in original post

Assuming the username is unique to a user, perhaps try using the AddColumn function which will allow you to add the appropriate value based on the username.

As best as I can tell, you want something like as your galleries data:

 

AddColumns(
  Filter('table1', MilestoneID in CommitteeRecordsofUser.MilestoneID) As L1,
  "FullName",
  LookUp(List3, UserName = L1.UserName).FullName
)

 

This will automatically add the column to the galleries datasource, no collection required - although you can also use this in a collection if you need it elsewhere. Please note I just copied your filter statement as it's working for you, and also that you may have to modify column names.

 

Hope this helps!

 

Briefly, as a side note, if you've now got the answer, if you could mark it as solution so others can see the answer more easily if the future 🙂

View solution in original post

@WBADAM03 

Ahh I see what it is - Use AddColumns function as the galleries Items, instead of in the OnVisible for the screen, and it should show up.

Just for future reference, addcolumns doesn't actually change the datasource, but rather returns a new, modified set of values

 

 

*Edited: Sorry I missed when you said where addcolumns was lol, got sidetracked

View solution in original post

Is it the same SP List with the fullname and department in the same record?

If so, you could even use the same lookup as earlier, and just reference their department instead of fullname. 

Please note I'm assuming department is a text column in the table we're referencing.

AddColumns(
Filter(Table1', MilestoneID in CommitteeRecordsofUser.MilestoneID) As L1,
"FullName",
LookUp('Table3', Username= L1.Username).FullName,
"Department",
LookUp('table3', Username= L1.Username).Department
)

View solution in original post

16 REPLIES 16
madlad
Super User
Super User

Hi! 

To differentiate with two similarly named columns, the As operator is always super handy.

Perhaps try something like:

Filter('list1' As L1, L1.'MilestoneID in CommitteeRecordsofUser.MilestoneID)

 

Hope this helps!

WBADAM03
Helper III
Helper III

Hey, that helped.

I ended up using this: Filter('table1', MilestoneID in CommitteeRecordsofUser.MilestoneID) and that worked.

I have an unrelated problem I am struggling with, if you don't mind putting your two cents in.

I have a username in List1 but the full name in List3. Ideally, I want to be able to put the full name instead of the username in the gallery. 

The good news it that L1 and L3 both have a username column with the username, so I am trying to do a collection that grabs all the fullnames of the people and then somehow put that in the gallery. 

I have the following code: ClearCollect(StudentSpecificData,Filter('list3', Username in CommitteeRecordsofUser).Username);

In produces a delegation warning that I can live with.

However, I keep getting "invalid scheme, expected a one column table". 

I'm not as familiar with collections. 

Do you think I am on a good path here?

I'm basically trying to do a join on username across the collection of CommitteeCollectionofUser, grab that username, look at List3, find the corresponding full name, and then store it somewhere where I can add it to the gallery for the end user to see.

Assuming the username is unique to a user, perhaps try using the AddColumn function which will allow you to add the appropriate value based on the username.

As best as I can tell, you want something like as your galleries data:

 

AddColumns(
  Filter('table1', MilestoneID in CommitteeRecordsofUser.MilestoneID) As L1,
  "FullName",
  LookUp(List3, UserName = L1.UserName).FullName
)

 

This will automatically add the column to the galleries datasource, no collection required - although you can also use this in a collection if you need it elsewhere. Please note I just copied your filter statement as it's working for you, and also that you may have to modify column names.

 

Hope this helps!

 

Briefly, as a side note, if you've now got the answer, if you could mark it as solution so others can see the answer more easily if the future 🙂

Thanks madlad! 

I just wanted to get another power app dev's thoughts before I marched on (even though it was off-topic, so thanks for humoring me). I really like your avatar. 

Thanks, I thought it was a bit funny 😁

 

Glad you've got your app well on it's way!

Hey there,

apologies for bugging ya again.

I've got the following code:

AddColumns(
Filter('List1, Username in CommitteeRecordsofUser.Username) As L1,
"FullName",
LookUp('Table3', Username= L1.Username).FullName
);

I don't have an error (just a pagination warning, I can live with that), but I can't actually see this as a data field for Gallery1. 

Do you have any idea what I am doing wrong?

No worries!

 

Just to clarify, you mean you can't access it with "ThisItem.FullName"?

Does it come up blank, or does it actually not let you access it?

Thanks Madlad!

My goal is to get this:

WBADAM03_1-1691608070347.png

I want to be able to put the fullname at that section, but when I try to get an option from the datafield on the gallery, the added column isn't there.

The addcolumn function is onvisible for the screen and I restarted the entire app (After saving) and it didn't error out, I just can't seem to use that as a data source here in the gallery.

The gallery has the following code:

Filter('list1', MilestoneID in CommitteeRecordsofUser.MilestoneID)

my on visible for the screen is:

AddColumns(
Filter('List1, Username in CommitteeRecordsofUser.Username) As L1,
"FullName",
LookUp('Table3', Username= L1.Username).FullName
);

However, "FullName" doesn't seem to be in List1, at least in terms of the gallery.

@WBADAM03 

Ahh I see what it is - Use AddColumns function as the galleries Items, instead of in the OnVisible for the screen, and it should show up.

Just for future reference, addcolumns doesn't actually change the datasource, but rather returns a new, modified set of values

 

 

*Edited: Sorry I missed when you said where addcolumns was lol, got sidetracked

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