我使用以下代码来创建
XML文件：
- XmlWriterSettings xmlWriterSettings = new XmlWriterSettings();
- xmlWriterSettings.Indent = true;
- xmlWriterSettings.NewLineOnAttributes = true;
- using (XmlWriter xmlWriter = XmlWriter.Create("Test.xml",xmlWriterSettings))
- {
- xmlWriter.WriteStartDocument();
- xmlWriter.WriteStartElement("School");
- xmlWriter.WriteEndElement();
- xmlWriter.WriteEndDocument();
- xmlWriter.Close();
- }
我需要动态插入节点,创建以下结构：
- <?xml version="1.0" encoding="utf-8"?>
- <School />
- <Student>
- <FirstName>David</FirstName>
- <LastName>Smith</LastName>
- </Student>
- ...
- <Teacher>
- <FirstName>David</FirstName>
- <LastName>Smith</LastName>
- </Teacher>
- ...
- </School>
我该怎么做？应从键盘读取“FirstName”和“LastName”的值,并且可以随时输入值,当然在现有值下.
解决方法
你可以使用Linq Xml
- XDocument doc = XDocument.Load(xmlFilePath);
- XElement school = doc.Element("School");
- school.Add(new XElement("Student",new XElement("FirstName","David"),new XElement("LastName","Smith")));
- doc.Save(xmlFilePath);
编辑
如果要将Element添加到Existing< Student>,只需添加一个Attribute
- school.add(new XElement("Student",new XAttribute("ID","ID_Value"),"Smith")));
然后,您可以向现有< Student>添加更多详细信息.通过搜索 – >得到 – >加
- XElement particularStudent = doc.Element("School").Elements("Student")
- .Where(student => student.Attribute("ID").Value == "SearchID")
- .FirstOrDefault();
- if(particularStudent != null)
- particularStudent.Add(new XElement("<NEwElementName>","<Value>");
