Visualforce Developer Guide
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apex:pageMessages
This component displays all messages that were generated for all components on the current page, presented using the Salesforce styling.
Use this component to get user input for a controller method that does not correspond to a field on an sObject. Only <apex:inputField> and <apex:outputField> can be used with sObject fields.
Example
Attributes
| Attribute Name | Attribute Type | Description | Required? | API Version | Access |
|---|---|---|---|---|---|
| escape | Boolean | 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. | 14.0 | ||
| id | String | An identifier that allows the component to be referenced by other components in the page. | 14.0 | global | |
| rendered | Boolean | A Boolean value that specifies whether the component is rendered on the page. If not specified, this value defaults to true. | 14.0 | global | |
| showDetail | Boolean | A Boolean value that specifies whether to display the detail portion of the messages. If not specifed this value defaults to false. | 14.0 |