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Editorial Team
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Asked: 2026-05-18T06:59:14+00:00

I wondering about sense of using XmlDocument class to processing a small XML files.

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I wondering about sense of using XmlDocument class to processing a small XML files.
If during the XML file is loading, XmlDocument creates a whole set of object-oriented structure for all XML elements and their relationship, theoretically for small xml files, there is a slight performance decrease and resources consumption and in the same time, we have clear and easy data management.

I read many articles about the processing of XML files – usualy people suggest using lightweight solutions like XmlTextReader instead XmlDocument for fast forward reading – even for small files. Am I wrong or XmlDocument is not so bad?

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1 Answer

  1. Editorial Team

    You will have to measure it, but even for a small file the I/O will be the main factor.

    And how do you want to use the file? That is far more important.

    I would never consider an Xml(Text)Reader for small files. The only thing it would optimize is memory usage.

    In reply to the comment:

    For 100kB, just use XDocument or the older XmlDocument

    You can get all your nodes with XElement.Descendants(“TAG”)

      var xmlData = XDocument.Load(filename);
  var tags = xmlData.Descendants("TAG");
  foreach(var tag in tags) ...
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