|InfoPath Developer Reference|
Version Added: InfoPath 2003
expression An expression that returns a Error object.
There are three types or errors:
- SCHEMA_VALIDATION: Data validation failed as a result of an XML Schema–defined constraint.
- SYSTEM_GENERATED: Data validation failed as a result of constraints defined in the form definition (.xsf) file or as a result of scripting code calling the ReportError method of the DataDOMEvent object.
- USER_SPECIFIED: Data validation failed as a result of a custom scripting error using the Add method of the Errors collection.
Security Level 2: Can be accessed only by forms running in the same domain as the currently open form, or by forms that have been granted cross-domain permissions.
In the following example, the Type property of the Error object is used to display the type of an error in a message box: