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RVivek
New Member

Combo Box to show list of persons from Sharepoint list Person or Group Column (Multi choice) and use it to filter a Gallery

Hello, I know this would be a basic thing, but after exploring all the options from online I'm writing here.

 

1. I have a Sharepoint list "Tracker" with Person or Group column "Lead" which is a multi-choice field. I want to connect it to a combo box showing only the list of persons DisplayName from the sharepoint list.

2. Also, I've other two Buttons set to a variable varLocation, onselect set to "India" and varStatus onselect set to "Completed". Based on the variables values, I also need to filter the list of persons' showing in the combo box.

2. Once multiple persons are selected from the combo box, the same needs to be filtered in the Gallery items which contains a field of Persons' DisplayName.

 

Someone please guide me as this is getting delayed for very long.

2 ACCEPTED SOLUTIONS

Accepted Solutions
RogierE
Solution Sage
Solution Sage

This is a tough cookie! 🙂 

So presuming that 'Location' and 'Status' are also columns in the Tracker list, I got my go at creating a mockup App for your case. The toughest thing is that you can have multiple Leads in every record of your Tracker list, as you have chosen for the multi-choice person/group column in SharePoint. And if the same person is chosen for multiple records in your Tracker list, you do not want them to show multiple times in your Combo box.

The second hard thing is that Location and Status are properties of the records in your Tracker list, but will be used for filtering Leads in your ComboBox. 

 

So in the OnStart of your App or the OnVisible of your screen you should create a collection figuring these combinations out. I did that like this: 

 

Clear(colLeads);
ForAll(
    Tracker,
    ForAll(
        Lead,
            Collect(
                colLeads,
                AddColumns(Table(ThisRecord),Location,Tracker[@Locatie],Status,Tracker[@Status])
            )
    )
);
So first I run through all records in the Tracker, and through all leads of that Record, and add them to a collection 
And then I  add 2 columns looking up the Location and Status of the record where we found the Lead. 
 
Now you can add the colLeads to the Items of your Combobox and select Displayname in the Fields selector. But before you do, you would want to filter the Combobox to Location = "India" and Status = "Completed" if the buttons you mentioned were pressed. (hope you don't forget to also clear varLocation and varStatus if the user presses the button a second time). And you would want to prevent multiple occurances of the same Lead
So this would lead to the following code in the Items property of the ComboBox: 
 
Distinct(Filter(colLeads,Location=varLocation || IsBlank(varLocation), Status=varStatus || IsBlank(varStatus)),DisplayName)
 
where the || Isblank takes care that everyting is shown if no location or status is selected. 
And then, closing up, you can add the following to your Gallery Items to only show things in MyList that have the DisplayName in the Title column. 
 
Filter(MyList,Title in ComboBox1.SelectedItems.Value)
 
Note: you can copy my code directly, but there might be slight value, source, naming and lannguage differences. So it is better to follow my lead but write/check the code yourself.
 
Please LIKE the reply and ACCEPT it as the solution if the answer is what you were looking for.
(to help me grow in community rank and help others find the solution)
 

View solution in original post

RogierE
Solution Sage
Solution Sage

Ah, okay. Didn't know that the list you wanted to filter was theTracker list itself. So if I understand correctly you want to show the Filtered list of Tracker records where one of the leads you chose is in one of the leads of the records. 

Nice one! You can not do that in a single filter as you have to compare a table to a table looking for matches. What you can do is add this to the OnChange of your ComboBox:

 

Clear(colGallery);
ForAll(ComboBox1.SelectedItems,Collect(colGallery,Filter(Tracker,Value in Tracker[@Lead].DisplayName)))
 
So now you run through the selected Leads and check in every Tracker record if that person is one of the leads for the record, and if so add it to a collection. 
 
You can then add colGallery to the Items property of your Gallery. 

View solution in original post

5 REPLIES 5
mandela
Post Patron
Post Patron

Let’s break down the steps to achieve what you’re looking for:

  1. Combo Box for Person or Group Column: follow these steps:

    • Set the Items property of the combo box to:
      Distinct('Tracker', Lead.DisplayName)
      This will populate the combo box with unique display names from the 'Tracker' list.
  2. Filtering Based on Variables: You mentioned having two buttons (varLocation and varStatus) that affect the filtering. Assuming you want to filter based on both variables:

    • Set the Items property of the combo box to:
      Filter(
          Distinct('Tracker', Lead.DisplayName),
          Location = varLocation && Status = varStatus
      )
      Replace Location and Status with the actual column names in your SharePoint list that correspond to the location and status values.
  3. Filtering Gallery Items: To filter the gallery items based on the selected persons from the combo box:

    • Set the Items property of your gallery to:
      Filter(
          'YourGalleryDataSource',
          Lead.DisplayName in ComboBox.SelectedItems.Result
      )
      Replace 'YourGalleryDataSource' with the actual data source for your gallery.
RogierE
Solution Sage
Solution Sage

This is a tough cookie! 🙂 

So presuming that 'Location' and 'Status' are also columns in the Tracker list, I got my go at creating a mockup App for your case. The toughest thing is that you can have multiple Leads in every record of your Tracker list, as you have chosen for the multi-choice person/group column in SharePoint. And if the same person is chosen for multiple records in your Tracker list, you do not want them to show multiple times in your Combo box.

The second hard thing is that Location and Status are properties of the records in your Tracker list, but will be used for filtering Leads in your ComboBox. 

 

So in the OnStart of your App or the OnVisible of your screen you should create a collection figuring these combinations out. I did that like this: 

 

Clear(colLeads);
ForAll(
    Tracker,
    ForAll(
        Lead,
            Collect(
                colLeads,
                AddColumns(Table(ThisRecord),Location,Tracker[@Locatie],Status,Tracker[@Status])
            )
    )
);
So first I run through all records in the Tracker, and through all leads of that Record, and add them to a collection 
And then I  add 2 columns looking up the Location and Status of the record where we found the Lead. 
 
Now you can add the colLeads to the Items of your Combobox and select Displayname in the Fields selector. But before you do, you would want to filter the Combobox to Location = "India" and Status = "Completed" if the buttons you mentioned were pressed. (hope you don't forget to also clear varLocation and varStatus if the user presses the button a second time). And you would want to prevent multiple occurances of the same Lead
So this would lead to the following code in the Items property of the ComboBox: 
 
Distinct(Filter(colLeads,Location=varLocation || IsBlank(varLocation), Status=varStatus || IsBlank(varStatus)),DisplayName)
 
where the || Isblank takes care that everyting is shown if no location or status is selected. 
And then, closing up, you can add the following to your Gallery Items to only show things in MyList that have the DisplayName in the Title column. 
 
Filter(MyList,Title in ComboBox1.SelectedItems.Value)
 
Note: you can copy my code directly, but there might be slight value, source, naming and lannguage differences. So it is better to follow my lead but write/check the code yourself.
 
Please LIKE the reply and ACCEPT it as the solution if the answer is what you were looking for.
(to help me grow in community rank and help others find the solution)
 

Thank you so much @RogierE. You saved my day.

 

The combo box and filtering works perfectly fine.

The only concern is while filtering the Gallery Items, it shows error as below.

RVivek_0-1713607885216.png

The error in the Value is Can't convert this data type. Power Apps can't convert this Table to a Text.

I believe I missed something.

RogierE
Solution Sage
Solution Sage

Ah, okay. Didn't know that the list you wanted to filter was theTracker list itself. So if I understand correctly you want to show the Filtered list of Tracker records where one of the leads you chose is in one of the leads of the records. 

Nice one! You can not do that in a single filter as you have to compare a table to a table looking for matches. What you can do is add this to the OnChange of your ComboBox:

 

Clear(colGallery);
ForAll(ComboBox1.SelectedItems,Collect(colGallery,Filter(Tracker,Value in Tracker[@Lead].DisplayName)))
 
So now you run through the selected Leads and check in every Tracker record if that person is one of the leads for the record, and if so add it to a collection. 
 
You can then add colGallery to the Items property of your Gallery. 

You're a Savior ! Thanks a lot.

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