errorCondition Element
Defines a custom validation (or error condition) for a specific XML Document Object Model (DOM) node in a form's underlying XML document.
Type
xsd:complexType
Structure
Name | Description |
---|---|
expression | (Required attribute) An XPath expression (relative to the expressionContext attribute, if specified) that must be evaluated to validate the XML DOM node specified in the match attribute. |
expressionContext | (Optional attribute) Specifies the XML DOM node on which the expression specified in the expression attribute is rooted. |
match | (Required attribute) Identifies the XML DOM nodes on which the custom validation is declared. |
showErrorOn | (Optional attribute) Identifies XML DOM nodes (within the context of the expression context XML DOM node) on which the error should be displayed when the form is filled out. |
errorMessage | (Required element) Specifies the error message to be returned if the value of the specified XML DOM node is considered to be invalid. |
Remarks
The errorCondition element is an optional element of the customValidation element.
Example
The following is an example of the errorCondition element:
<xsf:customValidation>
<xsf:errorCondition
match="/exp:expenseReport"
expressionContext="exp:reportDate"
expression="msxsl:string-compare(., ../exp:startDate) < 0 and ../exp:startDate != """
showErrorOn=".">
<xsf:errorMessage
type="modeless"
shortMessage="The report date occurs before the end of the expense period.">
The report date occurs before the end of the expense period. Verify that this is correct.
</xsf:errorMessage>
</xsf:errorCondition>
</xsf:customValidation>