PDII Exam Dumps | Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter.

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Question 64/94

Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?

A. Add a try-catch block surrounding the DML statement.

B. Use the Database method with a110rNone Set to false.

C. Add the <apex:messages/> tag to the component.

D. Add JavaScript and HTML to display an error message.

Correct Answer: D

To ensure error messages are properly displayed in a Lightning web component, the developer should use JavaScript to handle errors in the component's client-side code and use HTML to display the message on the UI. This can be combined with Apex exception handling for server-side operations.
References: Lightning Web Components Developer Guide - Error Handling

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