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(VB.NET) Remove an XML SubtreeDemonstrates how to remove an XML subtree from an XML document.
Dim xml As New Chilkat.Xml Dim success As Boolean = xml.LoadXmlFile("qa_data/xml/osszes.xml") ' The XML file we're loading contains this: ' <?xml version="1.0" encoding="iso-8859-2" ?> ' <EXAMPLE> ' <OSSZES> ' <ROW TYPE="INS">477953 ' <NUMBER>05107003972</NUMBER> ' </ROW> ' <ROW TYPE="INS">477954 ' <NUMBER>05107001342</NUMBER> ' </ROW> ' <ROW TYPE="INS">477955 ' <NUMBER>05107001342</NUMBER> ' </ROW> ' <ROW TYPE="INS">477956 ' <NUMBER>05107000017</NUMBER> ' </ROW>** ' <ROW TYPE="INS">477957 ' <NUMBER>05107002182</NUMBER> ' </ROW> ' </OSSZES> ' </EXAMPLE> ' ' We wish to remove this subtree: ' <ROW TYPE="INS">477956 ' <NUMBER>05107000017</NUMBER> ' </ROW> ' Get another reference to the XML document. Dim xml2 As Chilkat.Xml = xml.GetSelf() ' Navigate to the node that is the root of the subtree to be deleted. ' In this case, we wish to find the node having tag "ROW" with content "477956" Dim notUsed As String = xml2.ChilkatPath("OSSZES|/C/ROW,*477956*|$") ' Examine the xml2, it should be just the subtree. Debug.WriteLine(xml2.GetXml()) ' Now detach xml2 from the it's XML document. ' xml2 will now be it's own XML document. xml2.RemoveFromTree() ' Examine our original XML document. The subtree is removed: Debug.WriteLine(xml.GetXml()) |
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