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Tag commandButton


Renders an HTML "input" element.

Decode Behavior

Encode Behavior



Tag Information
Tag Classcom.sun.faces.taglib.html_basic.CommandButtonTag
TagExtraInfo Classcom.sun.faces.taglib.FacesTagExtraInfo
Body ContentJSP
Display NameNone

Attributes
action
MethodExpression representing the application action to invoke when this component is activated by the user. The expression must evaluate to a public method that takes no parameters, and returns an Object (the toString() of which is called to derive the logical outcome) which is passed to the NavigationHandler for this application.
 
Required: false
Request-time: false
Type: java.lang.String
actionListener
MethodExpression representing an action listener method that will be notified when this component is activated by the user. The expression must evaluate to a public method that takes an ActionEvent parameter, with a return type of void.
 
Required: false
Request-time: false
Type: java.lang.String
id
The component identifier for this component. This value must be unique within the closest parent component that is a naming container.
 
Required: false
Request-time: false
Type: java.lang.String
immediate
Flag indicating that, if this component is activated by the user, notifications should be delivered to interested listeners and actions immediately (that is, during Apply Request Values phase) rather than waiting until Invoke Application phase.
 
Required: false
Request-time: false
Type: java.lang.String
rendered
Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true.
 
Required: false
Request-time: false
Type: java.lang.String
value
The current value of this component.
 
Required: false
Request-time: false
Type: java.lang.String
accesskey
Access key that, when pressed, transfers focus to this element.
 
Required: false
Request-time: false
Type: java.lang.String
alt
Alternate textual description of the element rendered by this component.
 
Required: false
Request-time: false
Type: java.lang.String
dir
Direction indication for text that does not inherit directionality. Valid values are "LTR" (left-to-right) and "RTL" (right-to-left).
 
Required: false
Request-time: false
Type: java.lang.String
disabled
Flag indicating that this element must never receive focus or be included in a subsequent submit. A value of false causes no attribute to be rendered, while a value of true causes the attribute to be rendered as disabled="disabled".
 
Required: false
Request-time: false
Type: java.lang.String
image
Absolute or relative URL of the image to be displayed for this button. If specified, this "input" element will be of type "image". Otherwise, it will be of the type specified by the "type" property with a label specified by the "value" property.
 
Required: false
Request-time: false
Type: java.lang.String
label
A localized user presentable name for this component.
 
Required: false
Request-time: false
Type: java.lang.String
lang
Code describing the language used in the generated markup for this component.
 
Required: false
Request-time: false
Type: java.lang.String
onblur
Javascript code executed when this element loses focus.
 
Required: false
Request-time: false
Type: java.lang.String
onchange
Javascript code executed when this element loses focus and its value has been modified since gaining focus.
 
Required: false
Request-time: false
Type: java.lang.String
onclick
Javascript code executed when a pointer button is clicked over this element.
 
Required: false
Request-time: false
Type: java.lang.String
ondblclick
Javascript code executed when a pointer button is double clicked over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onfocus
Javascript code executed when this element receives focus.
 
Required: false
Request-time: false
Type: java.lang.String
onkeydown
Javascript code executed when a key is pressed down over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onkeypress
Javascript code executed when a key is pressed and released over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onkeyup
Javascript code executed when a key is released over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onmousedown
Javascript code executed when a pointer button is pressed down over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onmousemove
Javascript code executed when a pointer button is moved within this element.
 
Required: false
Request-time: false
Type: java.lang.String
onmouseout
Javascript code executed when a pointer button is moved away from this element.
 
Required: false
Request-time: false
Type: java.lang.String
onmouseover
Javascript code executed when a pointer button is moved onto this element.
 
Required: false
Request-time: false
Type: java.lang.String
onmouseup
Javascript code executed when a pointer button is released over this element.
 
Required: false
Request-time: false
Type: java.lang.String
onselect
Javascript code executed when text within this element is selected by the user.
 
Required: false
Request-time: false
Type: java.lang.String
readonly
Flag indicating that this component will prohibit changes by the user. The element may receive focus unless it has also been disabled. A value of false causes no attribute to be rendered, while a value of true causes the attribute to be rendered as readonly="readonly".
 
Required: false
Request-time: false
Type: java.lang.String
style
CSS style(s) to be applied when this component is rendered.
 
Required: false
Request-time: false
Type: java.lang.String
styleClass
Space-separated list of CSS style class(es) to be applied when this element is rendered. This value must be passed through as the "class" attribute on generated markup.
 
Required: false
Request-time: false
Type: java.lang.String
tabindex
Position of this element in the tabbing order for the current document. This value must be an integer between 0 and 32767.
 
Required: false
Request-time: false
Type: java.lang.String
title
Advisory title information about markup elements generated for this component.
 
Required: false
Request-time: false
Type: java.lang.String
type
Type of button to create. Valid values are "submit" and "reset". If not specified, or not a valid value, the default value is "submit".
 
Required: false
Request-time: false
Type: java.lang.String
binding
The ValueExpression linking this component to a property in a backing bean
 
Required: false
Request-time: false
Type: java.lang.String

Variables
No Variables Defined.


Output Generated by Tag Library Documentation Generator. Java, JSP, and JavaServer Pages are trademarks or registered trademarks of Sun Microsystems, Inc. in the US and other countries. Copyright 2002-4 Sun Microsystems, Inc. 4150 Network Circle Santa Clara, CA 95054, U.S.A. All Rights Reserved.