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POWhy does .NET XML append an xlmns attribute to XmlElements I add to a document? Can I stop it?
 

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  1. POWhy does .NET XML append an xlmns attribute to XmlElements I add to a document? Can I stop it?
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    <p>I am adding XmlElement to an existing document but an extra attribute is being added. Here is the code: </p> <pre><code>XmlNode manifest = this.getManifestNode (); XmlElement manifestEntry = _content.CreateElement ("item", _contentPath); XmlAttribute id = _content.CreateAttribute ("id"); id.Value = "content" + getManifestNodes ().Count; XmlAttribute href = _content.CreateAttribute ("href"); href.Value = splitPath [splitPath.Length - 1]; XmlAttribute mediaType = _content.CreateAttribute ("media-type"); mediaType.Value = "application/xhtml+xml"; manifestEntry.Attributes.Append (id); manifestEntry.Attributes.Append (href); manifestEntry.Attributes.Append (mediaType); manifest.AppendChild (manifestEntry); </code></pre> <p>and the resulting XML: </p> <pre><code>&lt;item id="content3" href="test1.html" media-type="application/xhtml+xml" xmlns="/home/jdphenix/epubtest/test/OEBPS/content.opf" /&gt; </code></pre> <p>Where is the </p> <pre><code>xmlns="/home/jdphenix/epubtest/test/OEBPS/content.opf" </code></pre> <p>coming from? The path that it adds is the location of the document on disk, but I'm not adding it in my code (atleast, that I am aware of). Let me know if you need to know more details. </p> <p>Edit: I modified my code per Filburt's suggestion and changed</p> <pre><code>XmlElement manifestEntry = _content.CreateElement ("item", _contentPath); </code></pre> <p>to</p> <pre><code>XmlElement manifestEntry = _content.CreateElement ("item"); </code></pre> <p>This is a step in the right direction, but produces the following XML: </p> <pre><code>&lt;item id="content3" href="test1.html" media-type="application/xhtml+xml" xmlns="" /&gt; </code></pre>
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    1. COMy problem with the blank xmlns attribute is probably a duplicate of http://stackoverflow.com/questions/135000/how-to-prevent-blank-xmlns-attributes-in-output-from-nets-xmldocument, looking into it now
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    2. COThis happens because .NET's Xml classes treat xmlns properly. This "problem" was caused by my lack of understanding of XML namespaces. The output was producing a blank xmlns attribute entry because it was told to do so by the call to XmlElement manifestEntry = _content.CreateElement ("item"); instead of XmlElement manifestEntry = _content.CreateElement ("item", "http://www.idpf.org/2007/opf"); I did not provide details in my original question to properly answer. See http://stackoverflow.com/questions/135000/how-to-prevent-blank-xmlns-attributes-in-output-from-nets-xmldocument.
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