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Using XPathNavigator objects to Read XML Data by Charles Carroll

Here is code to read an XML File with an XPath Navigator objects

   filename=/experiments/booksfave/xpathnavigator.aspx

<Test Script Below>

 

<%@trace="true" debug="true" %>
<%@ Import Namespace="System.XML.Xpath"%>
<script language="VB" runat="server">
Sub Page_Load(S As Object, E As EventArgs)
    trace.tracemode=TraceMode.SortByTime
    
    DIM xpthdoc1 as XPathDocument
    DIM xpthnv1 as XPathNavigator
    'DIM xpthitr as XpathNodeIterator
    
    TRY
        xpthdoc1=new XpathDocument(server.mappath("/experiments/data/favebooks.xml"))
        xpthnv1=xpthdoc1.CreateNavigator()
        
        xpthnv1.MoveToRoot()
        trace.write("MovetoRoot xpthnv1.name=" & xpthnv1.name)
        xpthnv1.MoveToFirstChild()
        trace.write("MovetoFirstChild xpthnv1.name=" & xpthnv1.name)
        xpthnv1.MoveToFirstChild()
        trace.write("MovetoFirstChild xpthnv1.name=" & xpthnv1.name)        
        
        DO WHILE xpthnv1.movetoFirstChild()
            trace.write("MovetoFirstChild xpthnv1.name=" & xpthnv1.name)
            DO WHILE xpthnv1.moveToNext()
                trace.write("MovetoNext xpthnv1.name=" & xpthnv1.name)
                trace.write("MovetoNext xpthnv1.value=" & xpthnv1.value)
            LOOP
        LOOP
    
    CATCH ex1 as exception
    
    FINALLY
        'Xmltr1.Close()
    END TRY
End Sub
</script>
<html><head>
<title>XML Demo</title>
</head>
<body bgcolor="#FFFFFF">
<form runat="server">
<ASP:placeholder id="plcErr" runat="server" />
See The Trace For More Details
<AsP:Table id="tblXMlDetails" runat="server" />
<ASP:placeholder id="plcEndofPage" runat="server" />
</form>
</body></html>
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