1     XmlDocument doc = new XmlDocument(); 2             //加载xml文件 3             doc.Load("order.xml"); 4  5             //根节点 6             XmlElement root =  doc.DocumentElement; 7             8             XmlNodeList xnl = root.ChildNodes; 9 10             //11             //读取标签的名字12             Console.WriteLine(xnl[0].Name);13 14             Console.WriteLine(xnl[0].InnerText);15             Console.WriteLine(xnl[1].InnerText);16 17             XmlNode items = xnl[2];18 19             //orderitem20             XmlNodeList xnl1 = items.ChildNodes;21 22             foreach (XmlNode node in xnl1)23             {24                 //获取属性的值25                 Console.WriteLine(node.Attributes["Name"].Value);26                 Console.WriteLine(node.Attributes["Count"].Value);27             }

1 <?xml version="1.0" encoding="utf-8"?>2 <Order>3   <OrderNo>tj000001</OrderNo>4   <CustomerName>微微</CustomerName>5   <Items>6     <OrderItem Name="媳妇" Count="10" />7     <OrderItem Name="房子" Count="10" />8   </Items>9 </Order>

            XmlDocument doc = new XmlDocument();            //加载xml文件            doc.Load("books.xml");            //根节点            XmlElement books = doc.DocumentElement;            //books 下的所有book元素            XmlNodeList xnl = books.ChildNodes;            foreach (XmlNode node in xnl)            {                Console.WriteLine(node.ChildNodes[0].InnerText);                Console.WriteLine(node.ChildNodes[1].InnerText);            }

<?xml version="1.0" encoding="utf-8"?><Books>  <Book>    <Name>&lt;b&gt;123&lt;/b&gt;</Name>    <Price>10</Price>  </Book>  <Book>    <Name>12梅2</Name>    <Price>20</Price>  </Book>  <Book>    <Name>c#图解教程</Name>    <Price>30</Price>  </Book>  <Book>    <Name>XX梅2</Name>    <Price>20</Price>  </Book></Books>

 1             //内存中创建一个xml 2             XmlDocument doc = new XmlDocument(); 3             // 4             XmlDeclaration dec =  doc.CreateXmlDeclaration("1.0", "utf-8", null); 5             doc.AppendChild(dec); 6  7             //根节点 Order 8             XmlElement order = doc.CreateElement("Order"); 9             doc.AppendChild(order);10             //11             XmlElement customerName = doc.CreateElement("CustomerName");12             customerName.InnerText = "微微";13             //14             order.AppendChild(customerName);15             //16             XmlElement orderNo = doc.CreateElement("OrderNo");17             orderNo.InnerText = "tj000001";18             //19             order.AppendChild(orderNo);20             //21             XmlElement items = doc.CreateElement("Items");22             order.AppendChild(items);23 24 25             //26             XmlElement orderItem1 = doc.CreateElement("OrderItem");27             orderItem1.SetAttribute("Name", "媳妇");28             orderItem1.SetAttribute("Count","10");29             items.AppendChild(orderItem1);30 31             //32             XmlElement orderItem2 = doc.CreateElement("OrderItem");33             orderItem2.SetAttribute("Name","房子");34             orderItem2.SetAttribute("Count","10");35             items.AppendChild(orderItem2);36 37             //保存到文件38             doc.Save("order.xml");

<?xml version="1.0" encoding="utf-8"?><Order>  <CustomerName>微微</CustomerName>  <OrderNo>tj000001</OrderNo>  <Items>    <OrderItem Name="媳妇" Count="10" />    <OrderItem Name="房子" Count="10" />  </Items></Order>