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byr10112
Employee
Employee

Displaying the chosen option from dropdown form in an outside text box

I have a form in PowerApps that uses a dropdown list with pre-determined values. Below is how I'm getting the list of teams from my Sharepoint List:

Sort(
Filter(
Distinct(
ShowColumns(Teams,"Team")
,Team) , Result <> "Individual"),
Result, Ascending)

I also have a separate textbox where I'm trying to display the the chosen option from the dropdown list. So for example, if the user selects Team 1 from the dropdown list (without submitting the form) I want to display "Team 1" in the textbox. The problem is the codes below do not return anything. The formula bar says the result is Blank.

DataCardValue4.Selected.Result
DataCardValue4.SelectedText.Result 
DataCardValue4.SelectedText.Value 

Is there a way for me to display the chosen option in a separate textbox? 

1 ACCEPTED SOLUTION

Accepted Solutions
RandyHayes
Super User
Super User

@byr10112 

Your first formula is correct - DataCardValue4.Selected.Result will provide the selected Result property of the dropdown.

If you are putting this into a TextInput control, then you would put that formula on the Default property.

 

Also, you might consider revising your Items property formula to the following:

Sort(
    Distinct(
        Filter(Teams, Team <> "Individual"),
        Team
    ),
    Result, 
    Ascending
)

Always better to narrow your results first with the Filter and then use other functions on that.  

Note also:

1) You don't need the ShowColumns function.  This does not do what many think - only return those columns from a datasource, thus improving performance.  The reality is, it always get ALL of the columns and then returns just the ones provided...so there is no gain to it and it only then serves to slow down the function.

2) Your original was not delegable because Distinct is not delegable and that was your first function on the datasource.  This provided function is closer to delegable, but still not delegable because you are using the <> operator...which is not delegable.  So, if delegation is not needed, then you are fine.

 

I hope this is helpful for you.

_____________________________________________________________________________________
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View solution in original post

9 REPLIES 9
RandyHayes
Super User
Super User

@byr10112 

Your first formula is correct - DataCardValue4.Selected.Result will provide the selected Result property of the dropdown.

If you are putting this into a TextInput control, then you would put that formula on the Default property.

 

Also, you might consider revising your Items property formula to the following:

Sort(
    Distinct(
        Filter(Teams, Team <> "Individual"),
        Team
    ),
    Result, 
    Ascending
)

Always better to narrow your results first with the Filter and then use other functions on that.  

Note also:

1) You don't need the ShowColumns function.  This does not do what many think - only return those columns from a datasource, thus improving performance.  The reality is, it always get ALL of the columns and then returns just the ones provided...so there is no gain to it and it only then serves to slow down the function.

2) Your original was not delegable because Distinct is not delegable and that was your first function on the datasource.  This provided function is closer to delegable, but still not delegable because you are using the <> operator...which is not delegable.  So, if delegation is not needed, then you are fine.

 

I hope this is helpful for you.

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

Hi @RandyHayes 

 

Thanks for your reply. I updated my items property as you suggested.

 

However, I still cannot display the result in the textbox. It says "DataCardValue4.Selected.Result = Blank | Data type: text"

RandyHayes
Super User
Super User

@byr10112 

Should be working just fine.  So, what is the difference??  What environment is this, is this a Canvas app?

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

Yes, Canvas app. Could it be because the dropdown list is a part of a form? 

RandyHayes
Super User
Super User

@byr10112 

No, it works fine to reference a control in a form (some exception to that during a SubmitForm).

If you see a value in the dropdown in the form, then your control outside of the form should reflect that.

Are you simply displaying the value outside of the form, or are there other factors - like SubmitForm being done and it is not showing, or there is some other factor?

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

Simply displaying it 

RandyHayes
Super User
Super User

@byr10112 

Well, something is afoot!  This process definitely works fine.  We split the interface from the Form all the time and rely on that happening and have never seen it go wrong.  

Thinking there is something in a new version release...I just tried it all out and it worked perfectly.

In the test, I simply have a form with a datacard in it that has a dropdown control.  Similar items formula.  Outside of the form, both a label and a TextInput control, both set to derive the value from the selected item in the dropdown.  All good!

 

What do you get if you put the control from outside the form into the datacard with the dropdown?

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

That's weird. When I put the control from outside the form into the datacard with the dropdown it shows all blank but the form's dropdown still works. 

RandyHayes
Super User
Super User

@byr10112 

Then there is something wrong with the dropdown.  Are you sure it is the correct control name you are referencing?

If you put another dropdown in the datacard and leave the default DropDownSample as the datasource/items, then reference that in a similar or same control as you are trying, does it show the correct selection (it is Value based)?

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

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