.net how to operate xml

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The code is as follows:

Using System.Xml

/ / initialize a xml instance

XmlDocument xml=new XmlDocument ()

/ / Import the specified xml file

Xml.Load (path)

Xml.Load (HttpContext.Current.Server.MapPath ("~ / file/bookstore.xml"))

/ / specify a node

XmlNode root=xml.SelectSingleNode ("/ root")

/ / get all direct child nodes under the node

XmlNodeList childlist=root.ChildNodes

/ / determine whether there are any child nodes under the node

Root.HasChildNodes

/ / get the collection of nodes with the same name

XmlNodeList nodelist=xml.SelectNodes ("/ Root/News")

/ / generate a new node

XmlElement node=xml.CreateElement ("News")

/ / add a node to the specified node as its child node

Root.AppendChild (node)

/ / add a node to a child node under the specified node

Root.InsertBefore (node,root.ChildeNodes [I])

/ / create a new attribute and assign a value to the specified node

Node.SetAttribute ("id", "11111")

/ / add child nodes to the specified node

Root.AppendChild (node)

/ / get the specified attribute value of the specified node

String id=node.Attributes ["id"] .Value

/ / get the text in the specified node

String content=node.InnerText

/ / Save XML file

String path=Server.MapPath ("~ / file/bookstore.xml")

Xml.Save (path)

/ / or use: xml.Save (HttpContext.Current.Server.MapPath ("~ / file/bookstore.xml"))

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