How to use apex:pageMessages in Visualforce page?

<apex:pageMessages>

              This component displays all messages that were generated for all components on the current page, presented using the Salesforce styling.

This tag supports following attributes:

Attribute

Description

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.
showDetail
A Boolean value that specifies whether to display the detail portion of the messages. If not specifed this value defaults to false.

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: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>

The above code generated the below page:


vf_pageMessages

COMMENTS

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false
ltr
item
Sfdc Gurukul- All in one place for salesforce and force.com step by step tutorial for beginners: How to use apex:pageMessages in Visualforce page?
How to use apex:pageMessages in Visualforce page?
How to use apex:pageMessages in Visualforce page?,apex:pageMessages,,how to use pageMessages tag in visualforce page,salesforce pageMessages tag,pageMessages tag in apex
http://2.bp.blogspot.com/-nwpqjVpd6gI/UfyazK57QXI/AAAAAAAAAhY/rFBEmIEbW4o/s1600/vf_pageMessages.JPG
http://2.bp.blogspot.com/-nwpqjVpd6gI/UfyazK57QXI/AAAAAAAAAhY/rFBEmIEbW4o/s72-c/vf_pageMessages.JPG
Sfdc Gurukul- All in one place for salesforce and force.com step by step tutorial for beginners
http://sfdcgurukul.blogspot.in/2013/08/apexpagemessages.html
http://sfdcgurukul.blogspot.in/
http://sfdcgurukul.blogspot.com/
http://sfdcgurukul.blogspot.com/2013/08/apexpagemessages.html
true
4199533888133360731
UTF-8
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