Make a field focus and required dynamically in PowerApps

 

This tutorial will we learn how to improve user experience with SetFocus and make field as required in Power App.

SetFocus() function in Power Apps

The SetFocus is used to move an input focus to specific control. the users Keystrokes are the received by that control allowing them to enter text in that input control.

When should we use SetFocus function?

User can use SetFocus function for the below application.

·       When a screen is displayed to focus the first input control with onvisible property of the screen.

·       Newly exposed control or enabled input control to guide the user that what comes next to enter data faster.

Limitations for SetFocus function:

This function can be used for controls.

Text input control

Image control

Label Control

Icon Control

Button control

 

Syntax

 

SetFocus(Control)

The SetFocus function gives a control the input focus.

 

Implementing SetFocus function in Canvas app

 

In our scenario we are adding SetFocus control and making Field as required during the “Onchange” property of input toggle control.

 

This will dynamically focus the required control and make field as required as per the user input.

 

If(employee_info.Value=true,SetFocus(DataCardValue2))

We are writing above Power FX formula on “Onchange” property of  toggle control, when a toggle is turned on the employee id field will be focus and marked as required.


Please below screen shorts of canvas apps.



To make field has required we are writing below formula on field required property.

employee_info.Value=true



Final screen:

 

We have turned employee toggle on in below screen, you can notices that employee Id field is focused and its required.












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