private bool SameDateTime() { _xmlWriter.Save(xmlpath); _xmlReader.Load(xmlpath); var nodeList = _xmlReader.GetXmlNodeList(DATENOTE); if (nodeList.Count <= 0) { return(false); } for (int i = 0; i < nodeList.Count; i++) { XmlAttribute xab = _xmlReader.GetXmlAttribute(DATENOTE, i, CURRENTDATE); if (xab == null) { return(false); } if (xab.InnerText == SelectedDate.ToShortDateString()) { _xmlWriter.RemoveChild(DATENOTE, i); return(true); } } return(false); }