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iamJohnAlex
Frequent Visitor

Dataverse Table Relations

Hello everyone,

 

I have created a many-to-many relation between 2 tables (Cases and People). I use the Relate function to establish the connection for the data. Is there any way in the Cases table to display in a column, a comma-separated string with all the names from the People table relation?

 

e.g.

Cases Table

Cases NamesRelated Names
Case 1John Doe, Jane Doe, Karen Doe, Mike Doe
Case 2Jane Doe, Karen Doe
7 REPLIES 7
v-jefferni
Community Support
Community Support

Hi @iamJohnAlex ,

 

If you are using a Gallery with Cases table as its data source, in the Gallery one Label for Cases Names (ThisItem.Name) the other for the related People column where you can use a Concat function to concatenate all people names related to current case:

Concat(ThisItem.Peoples, Name, ", ")

 

Best regards,

Community Support Team _ Jeffer Ni

If this post helps, then please consider Accept it as the solution to help the other members find it.

iamJohnAlex
Frequent Visitor

Hi @v-jefferni,

 

My ultimate goal is to have a gallery with Cases table, where I can filter with a dropdown based on the selected name. Since there is no actual column storing all these names, my initial approach was to insert a text label in the gallery using the exact same solution you mentioned with Concat, and then apply the filtering using Dropdown.Selected.Value in lblWithNames.Text. Unfortunately, I encountered an error due to a circular reference. That's why I'm asking here if there's any way to create a column with those names so I can use the column instead of lblWithNames.Text. 

Does my approach makes sense or there's other another possible solution to this?

I appreciate your reply,

John

Hi @iamJohnAlex ,

 

Please first turn on the switch of the following option in studio settings:

vjefferni_0-1709288557233.png

 

After that, you should be able to reference the related table name in Filter function directly:

Filter(Cases, ComboBox.Selected.Name in ThisRecord.Peoples.Name)

 

There would be delegation warnings, and I cannot find a way to eliminate them.

 

Best regards,

Community Support Team _ Jeffer Ni

If this post helps, then please consider Accept it as the solution to help the other members find it.

cdwhite
Most Valuable Professional
Most Valuable Professional

Hi @iamJohnAlex ,

You have the option shown above, however that's an experimental feature & not recommended for production apps, so please use with caution.

If you want to add the column into your gallery so it's easier to filter, another option would be to build a collection using the data source, with the Add Columns function to do the logic. Something like:

ClearCollect(colCollection,
AddColumns(myDataverseTable,
           "NameOfColumnYouAreAdding",
           Concat(Peoples, Name, ", ")
))

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iamJohnAlex
Frequent Visitor

Hi @cdwhite,

 

Thanks a lot for the clarification on the experimental feature.

Your response stands very well, but ideally, I would like to avoid using a collection for the row limit. Is there any way to achieve my goal with a new column in my Cases table, perhaps utilizing a formula column?

I appreciate the time of both. @cdwhite @v-jefferni

cdwhite
Most Valuable Professional
Most Valuable Professional

Hi @iamJohnAlex , 
If you don't need a collection, you may be able to simply use the AddColumns part in the Items property of a gallery:

AddColumns(myDataverseTable,
           "NameOfColumnYouAreAdding",
           Concat(Peoples, Name, ", ")
)


Failing that, a formula column may work and Concatenate is a function that's currently allowed as per the documentation here.

------------------------------------------------------------------------------------------------------------------------------
If I've answered your question, please mark your post as Solved. You can accept more than one post as a solution.

If my response was a good one, please give it a Thumbs Up!

Visit my blog: https://platformsofpower.net

iamJohnAlex
Frequent Visitor

The AddColumns approach still causes delegation. That's why I insist on using a Formula column. If I find the solution to save all the names in a comma-separated format to a column, I will be able to filter to that column without delegation. 

Is this possible? @cdwhite 

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