XML Serialization of List

Here is the code to convert your list into XML -

public XmlDocument GetEntityXml()
{
StringWriter stringWriter = new StringWriter();
XmlDocument xmlDoc = new XmlDocument();
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
XmlSerializer serializer = new XmlSerializer(typeof(List< T >));
List< T > parameters = ListtobeConverted();
serializer.Serialize(xmlWriter, parameters);
string xmlResult = stringWriter.ToString();
xmlDoc.LoadXml(xmlResult);

return xmlDoc;
}