How to Remove All Namespaces from Serialized XML in .NET?

Removing All Namespaces from Serialized XML in .NET

In the process of serializing an object into XML, it is common to encounter namespaces such as "xsi" and "xsd" appended to the serialized document. These namespaces can be a source of clutter and complexity.

The code snippet provided attempts to omit XML namespaces by setting the OmitXmlDeclaration flag. However, the resulting XML still includes the xsi and xsd namespaces. To completely remove these namespaces, additional steps are required.

The solution lies in defining an empty XmlSerializerNamespaces object and passing it to the Serialize method:

...
XmlSerializer s = new XmlSerializer(objectToSerialize.GetType());
XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
ns.Add("", "");  // Add an empty namespace for each prefix
s.Serialize(xmlWriter, objectToSerialize, ns);

This code adds an empty namespace to the XML document, effectively removing any prefixes or namespace declarations. As a result, the serialized document will contain a clean tag without any namespace attributes:

<message>
 ...
</message>

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