C # to XML operations: Building XML (1)

XML C # Operations XML Preliminary (1) Chapter One: New XML file
There are different ways to create a new XML file, and here are three ways to <% @ Import namespace= "System.IO"%><script language= "C #" runat= "Server" >public void Page_Load (Object Src,eventargs e) {/** copyrights: Copyright by SEM IT department* version of: Version 0.0.1* file: createxml_1.a spx* Purpose: To create an XML file we can create a new XML file by creating a text literal * Author: Ouyang Yun @2005-4-7* mailbox: outrace@soueast-motor.com* Modify: * * String Filename;filename = "Users_1.xml";//Set up Streamwrite, please note set up your own file directory here StreamWriter rw = file.createtext (Server.MapPath (" .") + "\\files\\" +filename)//Use WriteLine to write to content RW. WriteLine ("<?xml version=\" 1.0\ "encoding=\" gb2312\ "?>"); rw. WriteLine ("<users>"); rw. WriteLine ("<user id=\" 1\ ">"); rw. WriteLine ("<userName>outrace</userName>"); rw. WriteLine ("<userPass>ouyang</userPass>"); rw. WriteLine ("</user>"); rw. WriteLine ("<user id=\" 2\ ">"); rw. WriteLine ("<userName>trace</userName>"); rw. WriteLine ("<userPass>ouyang</userPass>"); rw. WriteLine ("</user>"); rw. WritEline ("</users>");//Writes the contents of the buffer to the file RW. Flush ();//Close RW object RW. Close ();//Open Text file StreamReader sr = File.OpenText (Server.MapPath (".") + "\\files\\" +filename)///When using character connection, C # recommends using StringBuilder instead of "+" characters to connect//I heard it would be a lot quicker, but not tested StringBuilder output = new StringBuilder (); String Rl;while (RL=SR. ReadLine ())!=null) {output. Append (rl+ "<br>");} Lblfile.text = output. ToString (); Sr. Close ();} </script>