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Visualforce tag for Salesforce

What is the <apex:actionSupport> tag used for in Visualforce pages?

A. To provide help and support content for buttons and links. B. To trigger a second action when a button or link is clicked. C. To trigger controller actions in response to DOM element events. D. To create a Javascript function that can trigger a controller action

Discussion: actionSupport is a AJAX. ActionSupport : supports another component, allowing the component to be refreshed asynchronously by the server when a particular event occurs, such as a button click or mouseover. Used when we want to perform an action on a perticular even

tof any control like onchange of any text box or picklist.

#visualforce #salesforcecustomforms


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