This public method extracts a subset from the XML data represented by the OracleXmlType object, using the given XPath expression and a .NET XmlNameSpaceManager object for namespace resolution.
Declaration
// C# public OracleXmlType Extract(string xpathExpr, XmlNameSpaceManager nsMgr);
Parameters
xpathExpr
The XPath expression.
nsMgr
The .NET XmlNameSpaceManager object used for namespace resolution of the XPath expression. nsMgr can be null.
Return Value
An OracleXmlType.
Exceptions
ObjectDisposedException - The object is already disposed.
ArgumentNullException - The xpathExpr is null or zero-length.
InvalidOperationException - The OracleConnection is not open or has been closed during the lifetime of the object.
Remarks
The default namespace is ignored if its value is an empty string.