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Session Id : Jvo9ZRacDAnaNyymnPdL6A
Power Apps - Building Power Apps
Unanswered

Replace blank choices with text in drop downs

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Posted on 4 Dec 2023 22:20:19 by 33

Hello,

 

I have spent too much time today seeking out the answer to my issue.

 

I am unable to post screen shots so will best describe visually and with code.

 

I have a simple power-app, it does not have any form - the purpose is to search the sp list based on filters, show the filtered gallery and then when hitting "pdf" you get the pdf of that current gallery emailed. 

 

All is working the way it should - the html was miserable as I built in caveats for IsBlank() sp values and the pdf cuts off at the bottom which is another whole issue (happy for suggestions).

 

The left side of the app are 4 filters, all dropdowns. 1 of the filters is based on difference between dropdown selected and the current date, that works fine. The other 3 filters are exactly the same, but a different column.

 

Taking just one of those filters, I have the following

 

Default : "All"

Items:

UnGroup(

Table(

{MyTables: Table({Value: "All"})},
{

MyTables: SortByColumns(

Distinct(

ListName,
ColumnName.Value

),

"Value"

)

}

),

"MyTables"

)

 

====

 

My ColumnName is a choice column with blank values in it. The dropdowns show: [(Blank), "All", and the Choices]

 

I want it to show: ["-", "All", and the Choices]

 

Everywhere I look is getting a blank INTO the drop down, but I want to "rename" the blank item in the drop down.

 

Thanks in advance.

 

Categories:
  • aliciaf Profile Picture
    33 on 05 Dec 2023 at 17:51:27
    Re: Replace blank choices with text in drop downs

    Great! two things I did wrong was flip my "All" on the other side and forget to put in the "-" statements.

     

    Now I am adjusting the syntax for the gallery.items.

    Before I had a Sort(Filter("series of or statements based on each filter"). Now with the suggestion of "If" statement, my "Or" statements are shouting at me.

     

    I do not know how to and the internet is not helpful, to write the code like you have. My code is on work laptop which I cannot screen shot to email out of contacts to post.

     

    The issue is I have 4 filter dropdowns

     

    AllDrpDown which is collections of dates such as "last month", "last 3 months", "All time" etc

    The line i included in my gallery.items.sort.filter formula is

    Created >= AllDropDown.Selected.EndDate && Created <= AllDrpDown.Selected.StartDate

     

    Another dropdown has ["All", "status1", "status2", "status3"] and this is called StatusDrpDown

    The third dropdown is the one referenced in og post is called PriorityDrpDown and contains ["All", "-", "prior1", "prior2", "prior3"]

    The final dropdown is also referenced above and is called LeadDrpDown and contains ["All", "-", "Name1", "Name2", "Name3"]

     

    How do I use the above If statement, but include each dropdown in a filter, sorted by Created, Descending. I struggle with nested filters.

     

    Any helpful hints for getting nested or multiple filters into my brain would help.

     

    Thanks so far. 

  • mmbr1606 Profile Picture
    13,461 Super User 2025 Season 2 on 05 Dec 2023 at 07:21:35
    Re: Replace blank choices with text in drop downs

    good that it helped u a bit at least haha

     

    for the further handling try this:

     

     

    Default: "All"
    
    Items:
    UnGroup(
     Table(
     {MyTables: Table({DisplayValue: "All", Value: "All"})},
     {
     MyTables: AddColumns(
     SortByColumns(
     Distinct(
     ListName,
     ColumnName.Value
     ),
     "Value"
     ),
     "DisplayValue", 
     If(IsBlank(Value), "-", Value)
     )
     }
     ),
     "MyTables"
    )

     

     

    Adjust your gallery's Items property to correctly interpret the selection. If "All" is selected, the filter should show all items. If "-" is selected, it should only show items where the specific column is blank.

    Assuming Gallery1 is your gallery and Dropdown1 is your dropdown, the filter logic might look something like this:

     

    If(
     Dropdown1.Selected.Value = "All",
     ListName, // Show all items when "All" is selected
     Dropdown1.Selected.Value = "-",
     Filter(ListName, IsBlank(ColumnName)), // Show items where ColumnName is blank
     Filter(ListName, ColumnName = Dropdown1.Selected.Value) // Regular filter for other cases
    )

     

    This logic checks the dropdown's selected value and applies the appropriate filter: showing all items, showing items with blank column values, or filtering based on the selected value.

     

    Let me know if my answer helped solving your issue.

    If it did please accept as solution and give it a thumbs up so we can help others in the community.



    Greetings

  • aliciaf Profile Picture
    33 on 04 Dec 2023 at 23:43:36
    Re: Replace blank choices with text in drop downs

    fantastic idea - the addcolumns is interesting spin

     

    Before the addcolumns my table was:

     

    Value
    All
    Completed
    No
    Parking Lot
    Planning
    Yes
    (Blank)

     

    after making the change I now have:

     

    DisplayValueValue
    (Blank)All
    CompletedCompleted
    NoNo
    Parking LotParking Lot
    PlanningPlanning
    YesYes
    -(Blank)

     

    With my dropdowns being the items in Value column

     

    I changed the code like from 

            {MyTables: Table({Value: "All"})},

    to

            {MyTables: Table({DisplayValue: "All"})},

     

    and the value (under properties menu) I changed from "Value" to "DisplayValue"

     

    By doing this, my drop downs are all golden, 

     

    but my items to display, when selecting "All" are only 4 when there should be 54, as there was with my original code.

     

    Any thoughts why this is happening? Is it because my "All" is just a display "name" and not worth anything? in that case why is "-" == "All". The items when selecting either are the ones that should be under "-" (the ones blank in that column)

     

    If I keep {MyTables: Table({Value: "All"})} and properties:value = "DisplayValue", then i lose "All" in my dropdown - having two (Blanks).

     

     

  • mmbr1606 Profile Picture
    13,461 Super User 2025 Season 2 on 04 Dec 2023 at 22:24:57
    Re: Replace blank choices with text in drop downs

    Try this

     

    Default: "All"

     

    Items:

    UnGroup(

        Table(

            {MyTables: Table({Value: "All"})},

            {

                MyTables: AddColumns(

                    SortByColumns(

                        Distinct(

                            ListName,

                            ColumnName.Value

                        ),

                        "Value"

                    ),

                    "DisplayValue", 

                    If(IsBlank(Value), "-", Value)

                )

            }

        ),

        "MyTables"

    )

     

    Let me know if my answer helped solving your issue.

    If it did please accept as solution and give it a thumbs up so we can help others in the community.



    Greetings

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