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Devart.Data.Oracle Namespace / OracleXml Class / IsExists Method / IsExists(String,String) Method
The XPath expression.
Parameter used for namespace resolution of the XPath expression.

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IsExists(String,String) Method
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Determines by the specified XPath expression whether XML node exists.
Syntax
'Declaration
 
Public Overloads Function IsExists( _
   ByVal xpathExpr As String, _
   ByVal nsMap As String _
) As Boolean
 

Parameters

xpathExpr
The XPath expression.
nsMap
Parameter used for namespace resolution of the XPath expression.

Return Value

true if the specified node is found; otherwise, false.
Remarks
This method is not supported in the OracleConnection.Direct mode.
See Also