How to use <apex:pageMessage> in Visualforce Page?
<apex:pageMessage> :
This component should be used for presenting custom messages in the page using the Salesforce pattern for errors, warnings and other types of messages for a given severity. See also the pageMessages component.This tag supports following attributes:
Attribute
|
Description
|
detail
|
The detailed description of the information.
|
escape
|
A Boolean value that specifies whether sensitive HTML and XML characters should be escaped in the HTML output generated by this component. If you do not specify escape="false", the character escape sequence displays as written. Be aware that setting this value to "false" may be a security risk because it allows arbitrary content, including JavaScript, that could be used in a malicious manner.
|
id
|
An identifier that allows the component to be referenced by other components in the page.
|
rendered
|
A Boolean value that specifies whether the component is rendered on the page. If not specified, this value defaults to true.
|
severity
|
The severity of the message. Values supported are: 'confirm', 'info', 'warning', 'error'
|
strength
|
The strength of the message. This controls the visibility and size of the icon displayed next to the message. Use 0 for no image, or 1-3 (highest strength, largest icon).
|
summary
|
The summary message.
|
title
|
The title text for the message.
|
Visualforce Example:
<apex:page standardController="Opportunity" recordSetVar="opportunities" tabStyle="Opportunity" sidebar="false">
<p>Enter an alphabetic character for the "Close Date," then click Save to see what happens.</p>
<apex:form >
<apex:pageBlock >
<apex:pageMessage summary="This pageMessage will always display. Validation error
messages appear in the pageMessages component." severity="warning" strength="3" />
<apex:pageMessages />
<apex:pageBlockButtons >
<apex:commandButton value="Save" action="{!save}"/>
</apex:pageBlockButtons>
<apex:pageBlockTable value="{!opportunities}" var="opp">
<apex:column value="{!opp.name}"/>
<apex:column headerValue="Close Date">
<apex:inputField value="{!opp.closeDate}"/>
</apex:column>
</apex:pageBlockTable>
</apex:pageBlock>
</apex:form>
</apex:page>
No comments:
Post a Comment