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If dropdown1 selected value is X, select value y in dropdown2

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Posted on by Tricky778

Hi,

I have a form with a choices field which links back to a SharePoint list (let's call it dropdown1) . This choices field contains a list of Divisions within the business (IT, HR, Finance etc).

I have a second choices field which contains a list of email addresses (the executive directors in charge of each of the divisions), let's call this dropdown2.

I'm looking for an efficient way of linking the relationship between the Division and it's associated Executive Director, without the end user having to select both dropdowns in the form. So for example, let's say Joe Bloggs is the IT director. When completing the form in the app the user would select 'IT' from dropdown1, this would then automatically select / populate dropdown2 with joe.bloggs@testcompany.com.

To tackle this, I've looked at editing the 'OnChange' property of 'dropdown1' with an If statement:

If(dropdown1.Selected.Value="IT",

But then I'm a bit stuck with the 'then' statement, and looking through the list of functions I'm not even sure if what I'm attempting is possible.

I don't suppose anyone's come across something similar? Or has a better way of achieving this?

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WarrenBelz 156,425 Most Valuable Professional on at

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HI @Tricky778 ,
So you want to populate DropDown2 with all the email addresses of the division Selected in DropDown1?
Or do you just want to find the email address of the Director (DropDown not needed as this is a single value field - text will do)
For the text box/label - I will call your list MyList - and assumed the other names Division and EmailAddress - replace with your names
Lookup( MyList, Division = DropDown1.Selected.Division, EMailAddress )
If you wanted the address of all emails in the division in a gallery
Filter( MyList, Division = DropDown1.Selected.Division )
If you wanted the address of all emails in the division in a dropdown
Filter( MyList, Division = DropDown1.Selected.Division ).EmailAddress

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Tricky778 90 on at

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Hi Warren,

Thanks for the reply. The behaviour I'm looking for is as follows:

If User selects 'PLC' in the 'Division' choice field, the Executive Sponsor field is auto set to 'joe.bloggs@email.com'.
If User selects 'IT' in the 'Division' choice field, then Executive Sponsor field is auto set to 'dave.smith@email.com' and so forth.

Rightly or wrongly...I went about this by creating a 'Division' choice field in SharePoint with all our divisions, and an 'Executive Sponsor' choice field with all our divisional execs email addresses. And then pulled both fields through to the form in SharePoint.

I guess a picture paints a thousand words (please see pic below).

Hope this helps explain the scenario

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WarrenBelz 156,425 Most Valuable Professional on at

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OK @Tricky778 ,
The problem you have is that the items of a Choices field has no relationship with anything and PowerApps (or SharePoint) cannot possibly know "what belongs to what".
I will give you another scenario.
Create another list with Division and ExecutiveSponsor and input the matching items - I will call it Sponsors in the code below.
You can leave the Division as a Choice field for the moment, but maintenance would be better if it was also based off this list, but it is a bit more complex. I would also turn the ExecutiveSponsor field in the main list into a plain Text field as there is no need for the user to choose. I will call your list YourSPList and the columns Division and ExecutiveSponsor and also ddDivision for the first drop down.
So two things - the Default of the text field (ExecSponsor used - YourForm for form name)
If( YourFormName.Mode = FormMode.New && !isBlank(ddDivision, Lookup( Sponsors, Division = ddDivision.Selected.Value, ExecutiveSponsor ), Parent.Default )
On the OnChange of ddDivision
Reset(ExecSponsor)
Happy to elaborate further.

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Tricky778 90 on at

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Thanks @WarrenBelz
This provided a good solution the scenario 👍

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