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Asked: 2026-05-10T13:58:17+00:00

I’m trying to create a sitemap using Linq to Xml, but am getting an

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I’m trying to create a sitemap using Linq to Xml, but am getting an empty namespace attribute, which I would like to get rid of. e.g.

XNamespace ns = 'http://www.sitemaps.org/schemas/sitemap/0.9';  XDocument xdoc = new XDocument(new XDeclaration('1.0', 'utf-8', 'true'),     new XElement(ns + 'urlset',      new XElement('url',         new XElement('loc', 'http://www.example.com/page'),         new XElement('lastmod', '2008-09-14'))));

The result is …

<urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>   <url xmlns=''>     <loc>http://www.example.com/page</loc>     <lastmod>2008-09-14</lastmod>   </url> </urlset>

I would rather not have the xmlns=” on the url element. I can strip it out using Replace on the final xdoc.ToString(), but is there a more correct way?

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1 Answer

  1. The ‘more correct way’ would be:

    XDocument xdoc = new XDocument(new XDeclaration('1.0', 'utf-8', 'true'), new XElement(ns + 'urlset', new XElement(ns + 'url',     new XElement(ns + 'loc', 'http://www.example.com/page'),     new XElement(ns + 'lastmod', '2008-09-14'))));

    Same as your code, but with the ‘ns +’ before every element name that needs to be in the sitemap namespace. It’s smart enough not to put any unnecessary namespace declarations in the resulting XML, so the result is:

    <urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>   <url>     <loc>http://www.example.com/page</loc>     <lastmod>2008-09-14</lastmod>   </url> </urlset>

    which is, if I’m not mistaken, what you want.

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