Answer Posted / Husna Tabassum

To display error messages on a Visualforce page, you can use Apex pagesController methods like `addError()` or `addMessages()`. The added errors or messages will be displayed in the respective error or message component when the page is rendered. You can also leverage `apex:messages` and `apex:pageBlockMessages` components to handle server-side messages.

What were you doing before sfdc development?

523

What is workflow rule and workflow actions? : salesforce workflows and approval process

578