Asp. NET access XML instance code and annotations

Asp. NET access to XML instance code:

Using System.Xml;

Initializing an instance of XML

XmlDocument xml=new XmlDocument ();

Import the specified XML file

Xml. Load (path);

Xml. Load (HttpContext.Current.Server.MapPath ("...). /7in10.xml "));

Specify a node

XmlNode Root=xml. selectSingleNode ("/root");

Get all direct child nodes under node

XmlNodeList Childlist=root. ChildNodes;

Determine if there are child nodes under this node

Root. HasChildNodes;

Gets a collection of sibling nodes with the same name

XmlNodeList Nodelist=xml. SelectNodes ("/root/news");

Generate a new node

XmlElement Node=xml. CreateElement ("News");

Adds a node under the specified node as its child node

Root. AppendChild (node);

Add a node before a child node under the specified node

Root. InsertBefore (Node,root. Childenodes[i]);

Creates a new property for the specified node and assigns a value

Node. SetAttribute ("id", "11111″");

To add a child node to a specified node

Root. AppendChild (node);

Gets the specified property value for the specified node

String Id=node. attributes["id"]. Value;

Gets the text in the specified node

String Content=node. InnerText;

Save XML file

Xml. Save (path);

Xml. Save (HttpContext.Current.Server.MapPath (".. /7in10.xml "));