Thank you for visiting my site!

Home / PowerApps - Forms / Dropdown from another list

Dropdown from another list

Existing Dropdown from a Lookup list to another List.

  1. Select the DropDown
  2. Change the Item property Datasource:
    //Choices([@’DataSource’].FieldName)
    Distinct(‘DataSource’, FieldName)
  3. Change the DisplayFields property to:
    From: [“Value”] To: ThisItem.’ThisListFieldName’
  4. Select the whole datacard
    Change Update: ThisListFieldName.Selected.Result

Allow Empty Selection for dropdown list in a canvas app
Have the dropdown box selected -> advanced->Data ->AllowEmptySelection = true

ADD YOUR COMMENT