public void SaveToXml(XmlNode xmlNode) { if (xmlNode == null) { throw new ArgumentNullException("xmlNode"); } XmlService.AppendChild(xmlNode, "address", Address); XmlService.AppendChild(xmlNode, "blog_name", BlogName); XmlService.AppendChild(xmlNode, "blog_type", BlogType.ToString()); XmlService.AppendChild(xmlNode, "password", Password); XmlService.AppendChild(xmlNode, "username", Username); }