C#:修改xml节点
发布时间:2020-12-15 06:53:07 所属栏目:百科 来源:网络整理
导读:我有那个xml文件: ?xml version="1.0" encoding="utf-8"?reminders reminder TitleAlarm1/Title DescriptionDesc1/Description Time03/07/2012 10:11AM/Time snooze1/snooze repeatNone/repeat /reminder/reminders 而且我想修改从Alarm1到另一个值的内在文
我有那个xml文件:
<?xml version="1.0" encoding="utf-8"?> <reminders> <reminder> <Title>Alarm1</Title> <Description>Desc1</Description> <Time>03/07/2012 10:11AM</Time> <snooze>1</snooze> <repeat>None</repeat> </reminder> </reminders> 而且我想修改从Alarm1到另一个值的内在文本,所以我写了那个实际上重复整个节点的代码. XmlDocument xml = new XmlDocument(); xml.Load("0.xml"); XmlNodeList elements = xml.SelectNodes("//reminders"); foreach (XmlNode element in elements) { if (element.InnerText == "Alarm1") { XmlNode newvalue = xml.CreateElement("MODIFIED"); element.ReplaceChild(newvalue,element); xml.Save("0.xml"); } } 然后尝试另一个代码: foreach (XmlElement element in xml.SelectNodes("//reminder")) { if (element.InnerText == "Alarm1") { XmlNode newvalue = xml.CreateElement("MODIFIED"); element.ReplaceChild(newvalue,element); xml.Save("0.xml"); } } 但也没有工作…. 编辑1:[找出一个新的代码] XmlDocument xml = new XmlDocument(); xml.Load("0.xml"); foreach (XmlElement element in xml.SelectNodes("//reminder")) { foreach (XmlElement element1 in element) { if (element.SelectSingleNode("//Title").InnerText == "Alarm1") { XmlNode newvalue = xml.CreateElement("MODIFIED"); element.ReplaceChild(newvalue,element1); xml.Save("0.xml"); } } } 但它使得Alarm1变成了 <MODIFIED /> 编辑2:[我解决了:D] XmlDocument xml = new XmlDocument(); xml.Load("0.xml"); foreach (XmlElement element in xml.SelectNodes("//reminder")) { foreach (XmlElement element1 in element) { if (element.SelectSingleNode("//Title").InnerText == "Alarm1") { MessageBox.Show(element1.InnerText); XmlNode newvalue = xml.CreateElement("Title"); newvalue.InnerText = "MODIFIED"; element.ReplaceChild(newvalue,element1); xml.Save("0.xml"); } } } 我真的很感谢你的帮助和谢谢. 解决方法
尝试这个:
xml.SelectSingleNode("//reminder/Title").InnerText = "NewValue"; 您的foreach行只是循环通过名为“提醒”的元素列表,而不是它的子节点. 有关详细信息,请参阅此xpath教程: http://www.w3schools.com/xpath/xpath_intro.asp (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |