A more useful XML file operation Class C # code can continue to expand

xml| comparison

public class CXml

{

private string Strxmlfile;

Private XmlDocument objxmldoc = new XmlDocument ();

Public CXml (String xmlFile)

{

Constructors

Try

{

Objxmldoc.load (XmlFile);

}

Catch

{

}

Strxmlfile = XmlFile;

}

Public DataView GetData (string xmlpathnode)

{

Find Data returns a DataView

DataSet ds = new DataSet ();

StringReader read = new StringReader (Objxmldoc.selectsinglenode (Xmlpathnode). OuterXml);

Ds. READXML (read);

Return DS. Tables[0]. DefaultView;

}

public void Replace (string xmlpathnode,string content)

{

Update node content

Objxmldoc.selectsinglenode (Xmlpathnode). innertext = content;

}

public void Delete (String node)

{

Delete a node

String mainnode = node. Substring (0,node. LastIndexOf ("/"));

Objxmldoc.selectsinglenode (Mainnode). RemoveChild (Objxmldoc.selectsinglenode (node));

}

public void Insertnode (string mainnode,string childnode,string element,string content)

{

Inserts a node and a child node of this node

XmlNode Objrootnode = Objxmldoc.selectsinglenode (Mainnode);

XmlElement objchildnode = objxmldoc.createelement (Childnode);

Objrootnode.appendchild (Objchildnode);

XmlElement objelement = objxmldoc.createelement (Element);

Objelement.innertext = content;

Objchildnode.appendchild (objelement);

}

public void Insertelement (string mainnode,string element,string attrib,string attribcontent,string content)

{

Insert a node with one attribute

XmlNode objnode = Objxmldoc.selectsinglenode (Mainnode);

XmlElement objelement = objxmldoc.createelement (Element);

Objelement.setattribute (attrib,attribcontent);

Objelement.innertext = content;

Objnode.appendchild (objelement);

}

public void Insertelement (string mainnode,string element,string content)

{

Insert a node with no attributes

XmlNode objnode = Objxmldoc.selectsinglenode (Mainnode);

XmlElement objelement = objxmldoc.createelement (Element);

Objelement.innertext = content;

Objnode.appendchild (objelement);

}

public void Save ()

{

Save XML file

Try

{

Objxmldoc.save (Strxmlfile);

}

Catch

{

}

objXMLDoc = null;

}

}