System.Data.DataTable.IsEmptyXml C# (CSharp) Method

        private bool IsEmptyXml(XmlReader reader)
        {
            if (reader.IsEmptyElement)
            {
                if (reader.AttributeCount == 0 || (reader.LocalName == Keywords.DIFFGRAM && reader.NamespaceURI == Keywords.DFFNS))
                {
                    return true;
                }
                if (reader.AttributeCount == 1)
                {
                    reader.MoveToAttribute(0);
                    if ((Namespace == reader.Value) &&
                        (Prefix == reader.LocalName) &&
                        (reader.Prefix == Keywords.XMLNS) &&
                        (reader.NamespaceURI == Keywords.XSD_XMLNS_NS))
                    {
                        return true;
                    }
                }
            }
            return false;
        }