Using Drop Down Control in Microsoft PowerApps


Before reading this article, please go through some important links given below.
In PowerApps, we can add the DropDown Control.
Drop Down Control
A DropDown Control conserves screen real estate, especially when the list contains a large number of choices. The control takes up only one line unless the user selects the chevron, to reveal more choices.
Follow the below steps to work with DropDown in PowerApps.
Step 1- Log in to PowerApps
After downloading the PowerApps from Windows Store, here, we need a Microsoft related organization’s Office 365 ID or (MSDN, Microsoft, Skype, Office 365, etc.,), to login with it.
Step 2- Create a new app in PowerApps
After Login, we will see the Dashboard. There, click on the New button.
Step 3- Choose the Blank App.
Step 4 Design the app
Now, let's start designing the app. On the left side, we can see the individual screens for adding our data. On the right side, we see the list of Layouts. At the top, we see the formula bar. There, you see the Properties of the screen that you select. On the right side, we see the Add Data Source add the External Data Source.
Step 5- Drag and drop the Button Control
  1. Go to the Insert menu, then Controls, and drag the Button tool.
  2. Drop the Button tool on the screen.
  3. Change the Text Property to Product Sales.
  4. Add the Options
    Select the Button and add the following code to the OnSelect Property.
    1. ClearCollect(CityProduct, {City:"London", Country:"United Kingdom", Productsales:861500}, {City:"Berlin", Country:"Germany", Productsales:356200}, {City:"Madrid", Country:"Spain", Productsales:316500}, {City:"Rome", Country:"Italy", Productsales:287400}, {City:"Paris", Country:"France", Product:227300}, {City:"Hamburg", Country:"Germany", Productsales:176000}, {City:"Barcelona", Country:"Spain", Productsales:160200}, {City:"Munich", Country:"Germany", Productsales:149400}, {City:"Milan", Country:"Italy", Productsales:134400})
Step 6- Drag and drop the DropDown Control
  1. Go to the Insert menu, then Controls, and drag the DropDown Control.
  3. Drop the DropDown Control on the screen.
  4. Rename the DropDown Control.
  5. Add the Options
    Select the DropDown and set the items with distinct names (CityProduct, Country).
Step 7 Drag and drop the Text Gallery Tool
If you click on the DropDown button, the changes appear on the Text Gallery Control.
  1. Go to the Insert Menu, then choose Gallery, and drag the Text gallery -> Vertical.
  2. Draw the Text Vertical Control to the screen.
  3. Add Coding
Select the Text Control and add the coding to the Items.
Filter (CityProduct, Countries.Selected.Value in Country)
Now, select the first item in the Text gallery and add the ThisItem.City to Text Property.
Next, delete the bottom Text box control.
Step 8 Run the app
Output 1
Main Screen
Output 2
Click on the Product Sales button.
Output 3
Click on the DropDown Button.
Output 4
Choose the items in the DropDown and the text gallery gets changed.


I hope, you understood how to add the DropDown Control in Microsoft PowerApps and how to run it.

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