System.Xml.XmlTextWriter.WriteEntityRef C# (CSharp) Method

        public override void WriteEntityRef(string name) {
            try {
                ValidateName(name, false);
                AutoComplete(Token.Content);
                xmlEncoder.WriteEntityRef(name);
            }
            catch {
                currentState = State.Error;
                throw;
            }
        }

 /// <summary>
 /// This removes namespaces from an XML Element (Scott)
 /// </summary>
 /// <param name="xeElement"></param>
 /// <returns></returns>
 protected string RemoveNamespaces(XmlNode xeElement)
 {
     StringWriter swOutput = new System.IO.StringWriter();
     XmlTextWriter xtwWriter = new XmlTextWriter(swOutput);
     //xtwWriter.WriteStartDocument();
     XmlNodeReader xnrReader = new XmlNodeReader(xeElement);
     while (xnrReader.Read())
     {
         switch (xnrReader.NodeType)
         {
             case XmlNodeType.Element:
                 xtwWriter.WriteStartElement(xnrReader.Name);
                 if (xnrReader.HasAttributes)
                 {
                     while (xnrReader.MoveToNextAttribute())
                     {
                         if (xnrReader.Name != "xmlns")
                         {
                             xtwWriter.WriteAttributeString(xnrReader.Name, xnrReader.Value);
                         }
                     }
                     xnrReader.MoveToElement();
                 }
                 if (xnrReader.IsEmptyElement)
                 {
                     xtwWriter.WriteEndElement();
                 }
                 break;
             case XmlNodeType.Text:
                 xtwWriter.WriteString(xnrReader.Value);
                 break;
             case XmlNodeType.CDATA:
                 xtwWriter.WriteCData(xnrReader.Value);
                 break;
             case XmlNodeType.ProcessingInstruction:
                 xtwWriter.WriteProcessingInstruction(xnrReader.Name, xnrReader.Value);
                 break;
             case XmlNodeType.Comment:
                 xtwWriter.WriteComment(xnrReader.Value);
                 break;
             case XmlNodeType.EntityReference:
                 xtwWriter.WriteEntityRef(xnrReader.Name);
                 break;
             case XmlNodeType.EndElement:
                 xtwWriter.WriteEndElement();
                 break;
         }
     }
     //xtwWriter.WriteEndDocument();
     xtwWriter.Flush();
     xtwWriter.Close();
     xnrReader.Close();
     string sOutput = swOutput.ToString();
     return sOutput;
 }