How to get user input in Visualforce apex?

How to get user input in Visualforce apex?

Use this component to get user input for a controller property or method that does not correspond to a field on a Salesforce object. This component doesn’t use Salesforce styling. Also, since it doesn’t correspond to a Salesforce field, or any other data on an object, custom code is required to use the value the user enters.

How can I dynamically render required fields using a…?

I have a Visualforce page on which I am rendering a lot of fields using a Dynamic Component (which is an Output Panel that contains all of the fields).

What do you need to know about apex inputfield?

The component respects the attributes of the associated field, including whether the field is required or unique, and the user interface widget to display to get input from the user. For example, if the specified component is a date field, a calendar input widget is displayed.

How to render HTML in Visualforce developer guide?

The example above renders the following HTML: Required? The keyboard access key that puts the field in focus. When the text box is in focus, a user can select or deselect the field value. An alternate text description of the field. The direction in which the generated HTML component should be read.

When do you use JavaScript in Visualforce input?

The JavaScript invoked if the ondblclick event occurs–that is, if the user clicks the field twice. The JavaScript invoked if the onfocus event occurs–that is, if the focus is on the field. The JavaScript invoked if the onkeydown event occurs–that is, if the user presses a keyboard key.

When to use JavaScript in Visualforce actionstatus?

The JavaScript invoked if the onkeyup event occurs–that is, if the user releases a keyboard key. The JavaScript invoked if the onmousedown event occurs–that is, if the user clicks a mouse button. The JavaScript invoked if the onmousemove event occurs–that is, if the user moves the mouse pointer.

When to use apex inputfield and apex outfield?

Use this component to pass variables from page to page. Use this component to get user input for a controller method that does not correspond to a field on an sObject. Only and apex:outfield can be used with sObject fields. This component supports HTML pass-through attributes using the “html-” prefix.

Do you need custom code for Salesforce input?

Also, since it doesn’t correspond to a Salesforce field, or any other data on an object, custom code is required to use the value the user enters. This component supports HTML pass-through attributes using the “html-” prefix. Pass-through attributes are attached to the generated tag.

When to use global merge fields in Visualforce?

A global merge field type to use when referencing information about the current user. User merge fields can reference information about the user such as alias, title, and ID. Most of the fields available on the User standard object are also available on $User. Use dot notation to access the current user’s information.

Which is the best input unit for Visualforce?

For starters, Visualforce offers a dozen or so input components, not just . works well with the standard controller and for directly editing record data.

How does the input field work in Salesforce?

An HTML input element for a value that corresponds to a field on a Salesforce object. The component respects the attributes of the associated field, including whether the field is required or unique, and the user interface widget to display to get input from the user.