XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable) Load the document and set the root element. ' Select and display the first node in which the author'sĭim node As XmlNode = root.SelectSingleNode( _ Nsmgr.AddNamespace("bk", "urn:newbooks-schema") Dim doc As New XmlDocument()ĭim root As XmlNode = doc.DocumentElementĭim nsmgr As New XmlNamespaceManager(doc.NameTable) The bookstore.xml file (which is provided at the end of this topic) is used as the input file. The following example uses the SelectSingleNode method to select the first book node in which the author's last name meets the specified criteria. The SelectNodes method returns an XmlNodeList that contains the matching nodes. The SelectSingleNode method returns the first node that matches the selection criteria. The DOM classes provide two methods for XPath selection: the SelectSingleNode method and the SelectNodes method. You can use XPath to find a single, specific node or to find all nodes that match some criteria.
The XML Document Object Model (DOM) contains methods that allow you to use XML Path Language (XPath) navigation to query information in the DOM.
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