How to add namespace prefix for IXmlSerializable type

Question

I have a following class definition

[XmlRoot(ElementName = \"person\",Namespace = \"MyNamespace\")]
public class Perso         


        

Answer 1

Try the following.

public void WriteXml(XmlWriter writer)
{
    writer.WriteAttributeString("xmlns", "my", null, "MyNamespace");
    writer.WriteElementString("firstName", FirstName);
    writer.WriteElementString("lastName", LastName);
}