StackOverflow2013

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6557797
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2011-07-02T15:14:11.967
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2011-07-02T15:14:11.967
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819977
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I have not used SqmlReader, but every time I have seen this problem it has been due to namespaces. A quick look at the HTML on www.arrow.com shows that this node has a namespace (note the xmlns:javaurlencoder): <pre><code><form name="CatSearchForm" method="post" action="http://components.arrow.com/part/search/OP295GS" xmlns:javaurlencoder="java.net.URLEncoder"> </code></pre> This code is how I loop through all nodes in a document to see which ones have namespaces and which don't. If the node you are looking for or any of its parents have namespaces, you must create a <code>XmlNamespaceManager</code> and pass it along with your call to <code>SelectNodes()</code>. This is kind of annoying, so another idea might be to strip all the xmlns: attributes out of the XML before loading it into a <code>XmlDocument</code>. Then, you won't need to fool with <code>XmlNamespaceManager</code>! <pre><code>XmlDocument doc = new XmlDocument(); doc.Load(@"C:\temp\X.loadtest.xml"); Dictionary<string, string> namespaces = new Dictionary<string, string>(); XmlNodeList nlAllNodes = doc.SelectNodes("//*"); foreach (XmlNode n in nlAllNodes) { if (n.NodeType != XmlNodeType.Element) continue; if (!String.IsNullOrEmpty(n.NamespaceURI) && !namespaces.ContainsKey(n.Name)) { namespaces.Add(n.Name, n.NamespaceURI); } } // Inspect the namespaces dictionary to write the code below XmlNamespaceManager nMgr = new XmlNamespaceManager(doc.NameTable); // Sometimes this works nMgr.AddNamespace("ns1", doc.DocumentElement.NamespaceURI); // You can make the first param whatever you want, it just must match in XPath queries nMgr.AddNamespace("javaurlencoder", "java.net.URLEncoder"); XmlNodeList iter = doc.SelectNodes("//ns1:TestProfile", nMgr); foreach (XmlNode n in iter) { // Do stuff } </code></pre>
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1. POParsing html -> xml and querying with Xpath
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1. PTAnswer
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1. USMatt Faus
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