What is H commandLink?

h. Tag commandLink. Render an HTML “a” anchor element that acts like a form submit button when clicked. General Behaviour. Both the encode and decode behavior require the ability to get the id/name for a hidden field whose value is set by the JavaScript form submit.

What is h commandButton?

The h:commandButton tag renders an HTML input element of the type “submit”.

What is command link in jsf?

JSF Tag. JSF renders it as an HTML “a” anchor element that acts like a form submit button when clicked. So, you can create anchor tag by using this tag. An h:commandLink tag must include a nested h:outputText tag, which represents the text that the user clicks to generate the event.

What are the command component tags used for action and navigation?

In JavaServer Faces applications, the button and hyperlink component tags are used to perform actions, such as submitting a form, and for navigating to another page. These tags are called command component tags because they perform an action when activated. The h:commandButton tag is rendered as a button.

How do I use Apex param in Salesforce?

In the VF page we have used param at two places, one in the commandbutton and the other in actionfunction. The param which is in the command button has a value specified to it and also assigned to a variable in controller. This value will be passed to the variable in the controller if the button is clicked.

What is commandLink in Salesforce?

A link that executes an action defined by a controller, and then either refreshes the current page, or navigates to a different page based on the PageReference variable that is returned by the action. An component must always be a child of an component.

What is the use of Apex param?

tag is used to pass values from JavaScript to an Apex controller,it can only be used with the folloing parent tags.

What are the basic elements of JSF?

JSF User Interface Components

Tag	Functions
h:inputSecret	It allows a user to input a string without the actual string appearing in the field.
h:inputHidden	It allows a page author to include a hidden variable in a page.
h:inputFile	It allows a user to upload a file.
h:graphicImage	It displays an image.

What are JSF UI components?

JSF User Interface Components

Tag	Functions	Appearance
h:inputFile	It allows a user to upload a file.	A field with a Browse button
h:graphicImage	It displays an image.	An image
h:dataTable	It represents a data wrapper.	A table that can be updated dynamically.
h:message	It displays a localized message.	A text string