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Session Id : 0wkVIHs2r68ogM2Eigc4xq
Power Apps - Power Apps Experimental Features
Suggested answer

Cascading dropdown menus

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Posted on 10 Apr 2025 05:39:18 by 12
Hello, am trying to create a cascading dropdown lists for Incidents categories and types. 
 
I have created an online excel sheet and a table and linked it to the application - and have types the functions but am not able to see the values.
 
Table name: Table1
Category dropdown: Dropdown_cat
Type Dropdown: Dropdown_typ
 
screenshots as below.
 
  • Suggested answer
    Inogic Profile Picture
    983 Super User 2025 Season 1 on 18 Apr 2025 at 13:12:04
    Cascading dropdown menus
    Hi,

     
    • When you use Distinct(Table1, Category) in Power Apps, it creates a one-column table in the background with a default column named Result, which contains all the unique values from the Category column in Table1.
    • For example, the output might look like: { Result: "Incidents" }, { Result: "Near Misses" }, { Result: "Opportunities for Improvement" }.
    • To display these values in a modern dropdown control (e.g., Dropdown_cat), set the Items property to Distinct(Table1, Category), and then set the Value property (available in the right-hand properties pane or directly via code) to Result.
    • This tells the dropdown to display the distinct category names from the Result column.
    • Note: In some modern controls, the column may be labeled as “Value” instead of “Result”, so use the appropriate name based on the control's behavior.

    Hope, this helps.
     
    Thanks!
    Inogic
  • JK-27031040-0 Profile Picture
    12 on 17 Apr 2025 at 13:13:15
    Cascading dropdown menus
    @Inogic, Thanks for the answer- the below in not clear to me, how to do that? and what do you mean by a result column?
     
  • Suggested answer
    Inogic Profile Picture
    983 Super User 2025 Season 1 on 17 Apr 2025 at 10:31:34
    Cascading dropdown menus
    Hi,
     
    To create cascading dropdowns using your online Excel table (Table1), follow these steps to ensure everything works correctly:

    1) Set up the Category dropdown (Dropdown_cat)

                    Items property: Distinct(Table1, Category)

                    Note: Since Distinct() returns a column named Result, you need to set the Value property of the dropdown to: Result

    2) Set up the Type dropdown (Dropdown_typ)

                    Items property: Filter(Table1, Category = Dropdown_cat.Selected.Result)

                    Value property: Type

                    This filters the Type values based on the selected Category.

    3) Make sure the Excel column headers are exactly Category and Type (case-sensitive, no extra spaces).

    4) Check that your Excel file is properly connected as a data source in Power Apps.

    5) Ensure you select a value in the Category dropdown first — Type dropdown depends on it.

    6) Avoid using .Value with Dropdown_cat if you're using Distinct() — use .Selected.Result instead.
     
     
    Hope this helps.
     
    Thanks!
    Inogic
  • stampcoin Profile Picture
    1,300 on 16 Apr 2025 at 13:07:30
    Cascading dropdown menus
    I suggest that you delete the type dropdown, and add it back. .
    your code looks ok ( I created one app similarly). 
    you can add a button load the data into a collection and test it.
    Category dropdown.
    CategoryDropDown
     
    Item DropDown.
    Item
     
    Excel Table1, 
     
     
    You will be there.
  • w.p Profile Picture
    4,218 on 16 Apr 2025 at 11:58:35
    Cascading dropdown menus
     
    Can you click the red X, share the error message, or try removing and re-adding it?
  • JK-27031040-0 Profile Picture
    12 on 16 Apr 2025 at 10:34:58
    Cascading dropdown menus
    @w.p, no worries - will you able to find the missing art from the below pictures? I don't see values
     
     
     
  • w.p Profile Picture
    4,218 on 16 Apr 2025 at 08:41:02
    Cascading dropdown menus
    Sorry, I prefer to communicate like this. Other members might be willing to have a Teams call.
     
    When it's not in design mode, can you share screenshots of what happens when you select the dropdown?
  • JK-27031040-0 Profile Picture
    12 on 15 Apr 2025 at 19:56:25
    Cascading dropdown menus
    @w.p, still I cannot see values - can we connect on teams please to sort this out please?
  • JK-27031040-0 Profile Picture
    12 on 14 Apr 2025 at 04:34:20
    Cascading dropdown menus
  • ronaldwalcott Profile Picture
    3,653 on 13 Apr 2025 at 19:17:10
    Cascading dropdown menus
    Are you creating this in a SharePoint form?

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