IsExists checks for the existence of a particular set of nodes identified by the XPath expression in the XML data.
Overload List:
This method checks for the existence of a particular set of nodes identified by the XPath expression in the XML data represented by the current OracleXmlType instance using a string parameter for namespace resolution.
IsExists(string, XmlNameSpaceManager)
This method checks for the existence of a particular set of nodes identified by the XPath expression in the XML document represented by the current OracleXmlType instance using a .NET XmlNameSpaceManager object for namespace resolution.