XQuery.EvaluateToItem Method ()XQuery.EvaluateToItem Method ()XQuery::EvaluateToItem Method ()

Returns an XPathItemXPathItemXPathItem representing the result of evaluating the XQuery program, or null a null reference (Nothing in Visual Basic) nullptr if the query returns the empty sequence.

Syntax

Public Function EvaluateToItem() As System.Xml.XPath.XPathItem
public System.Xml.XPath.XPathItem EvaluateToItem()
public:
System.Xml.XPath::XPathItem^ EvaluateToItem()
 

Return Value

Type: System.Xml.XPath.XPathItemSystem.Xml.XPath.XPathItemSystem.Xml.XPath::XPathItem^

An XPathItemXPathItemXPathItem, or null a null reference (Nothing in Visual Basic) nullptr if the query returns the empty sequence.

Exceptions

ExceptionCondition
XdmExceptionXdmExceptionXdmException An error occurred evaluating the query.
InvalidOperationExceptionInvalidOperationExceptionInvalidOperationException An error is raised if the expression returns more than one item.
LicenceExceptionLicenceExceptionLicenceExceptionThis version of XmlPrime has expired.

Remarks

The item in returned will either be an XPathNavigatorXPathNavigatorXPathNavigator instance (if the expression returns a node) or XPathAtomicValueXPathAtomicValueXPathAtomicValue instances (if the expression returns an atomic value). values).