本文實例講述了asp.net創建XML文件的方法。分享給大家供大家參考，具體如下：
方法一：按照XML的結構一步一步的構建XML文檔.
通過.Net FrameWork SDK中的命名空間"System.Xml"中封裝的各種類來實現的
方法一：按照XML的結構一步一步的構建XML文檔.
通過.Net FrameWork SDK中的命名空間"System.Xml"中封裝的各種類來實現的
方法二：直接定影XML文檔，然后保存到文件。
通過"XmlDocument"類中的"LoadXml"方法
.aspx前臺代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="Default4" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><title></title></head><body> <form id="form1" runat="server"> <div> <asp:Button ID="btn" runat="server" OnClick="btn1_OnClick" Text="創建xml的第一種方法" /><br /> <asp:Button ID="btn2" runat="server" OnClick="btn2_OnClick" Text="創建xml的第二種方法" /> </div> </form></body></html>
.cs后臺代碼實現如下:
using System;using System.Collections.Generic;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Text;using System.Xml;public partial class Default4 : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { } //創建xml文件方法一 protected void btn1_OnClick(object sender, EventArgs e) { XmlText xmltext; XmlDocument xmldoc = new XmlDocument(); //加入XML的聲明段落 XmlNode xmlnode = xmldoc.CreateXmlDeclaration("1.0", "gb2312", null); xmldoc.AppendChild(xmlnode); //加入一個根元素 XmlElement xmlelem = xmldoc.CreateElement("", "bookstore", ""); xmltext = xmldoc.CreateTextNode(""); xmlelem.AppendChild(xmltext); xmldoc.AppendChild(xmlelem); //加入一個子元素 XmlElement xmlelem1 = xmldoc.CreateElement("", "book", ""); xmltext = xmldoc.CreateTextNode(""); xmlelem1.AppendChild(xmltext); //為子元素"book"增加兩個屬性 xmlelem1.SetAttribute("genre", "", "fantasy"); xmlelem1.SetAttribute("ISBN", "2-3631-4"); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1); //創建三個子元素的子元素 XmlElement xmlelem2 = xmldoc.CreateElement("", "title", ""); xmltext = xmldoc.CreateTextNode("Oberon's Legacy"); xmlelem2.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem2); XmlElement xmlelem3 = xmldoc.CreateElement("", "author", ""); xmltext = xmldoc.CreateTextNode("Corets, Eva"); xmlelem3.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem3); XmlElement xmlelem4 = xmldoc.CreateElement("", "price", ""); xmltext = xmldoc.CreateTextNode("5.95"); xmlelem4.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem4); xmldoc.Save(Server.MapPath("bookstore.xml")); //保存 } //創建xml文件方法二 protected void btn2_OnClick(object sender, EventArgs e) { XmlDocument xmldoc = new XmlDocument(); //創建空的XML文檔 xmldoc.LoadXml("<?xml version='1.0' encoding='gb2312'?>" + "<bookstore>" + "<book genre='fantasy' ISBN='2-3631-4'>" + "<title>Oberon's Legacy</title>" + "<author>Corets, Eva</author>" + "<price>5.95</price>" + "</book>" + "</bookstore>"); xmldoc.Save(Server.MapPath("bookstore2.xml")); //保存 }} 比較：第一種創建起來更加靈活，而第二種創建起來更加方便。最終創建的xml文件如下:(兩種方法創建效果都是一樣的)
<?xml version="1.0" encoding="gb2312" ?><bookstore> <book genre="fantasy" ISBN="2-3631-4"> <title>Oberon's Legacy</title> <author>Corets, Eva</author> <price>5.95</price> </book></bookstore>
方法二：直接定影XML文檔，然后保存到文件。
通過"XmlDocument"類中的"LoadXml"方法
.aspx前臺代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="Default4" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title></head><body> <form id="form1" runat="server"> <div> <asp:Button ID="btn" runat="server" OnClick="btn1_OnClick" Text="創建xml的第一種方法" /><br /> <asp:Button ID="btn2" runat="server" OnClick="btn2_OnClick" Text="創建xml的第二種方法" /> </div> </form></body></html>
.cs后臺代碼實現如下:
using System;using System.Collections.Generic;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Text;using System.Xml;public partial class Default4 : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { } //創建xml文件方法一 protected void btn1_OnClick(object sender, EventArgs e) { XmlText xmltext; XmlDocument xmldoc = new XmlDocument(); //加入XML的聲明段落 XmlNode xmlnode = xmldoc.CreateXmlDeclaration("1.0", "gb2312", null); xmldoc.AppendChild(xmlnode); //加入一個根元素 XmlElement xmlelem = xmldoc.CreateElement("", "bookstore", ""); xmltext = xmldoc.CreateTextNode(""); xmlelem.AppendChild(xmltext); xmldoc.AppendChild(xmlelem); //加入一個子元素 XmlElement xmlelem1 = xmldoc.CreateElement("", "book", ""); xmltext = xmldoc.CreateTextNode(""); xmlelem1.AppendChild(xmltext); //為子元素"book"增加兩個屬性 xmlelem1.SetAttribute("genre", "", "fantasy"); xmlelem1.SetAttribute("ISBN", "2-3631-4"); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1); //創建三個子元素的子元素 XmlElement xmlelem2 = xmldoc.CreateElement("", "title", ""); xmltext = xmldoc.CreateTextNode("Oberon's Legacy"); xmlelem2.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem2); XmlElement xmlelem3 = xmldoc.CreateElement("", "author", ""); xmltext = xmldoc.CreateTextNode("Corets, Eva"); xmlelem3.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem3); XmlElement xmlelem4 = xmldoc.CreateElement("", "price", ""); xmltext = xmldoc.CreateTextNode("5.95"); xmlelem4.AppendChild(xmltext); xmldoc.ChildNodes.Item(1).AppendChild(xmlelem1).AppendChild(xmlelem4); xmldoc.Save(Server.MapPath("bookstore.xml")); //保存 } //創建xml文件方法二 protected void btn2_OnClick(object sender, EventArgs e) { XmlDocument xmldoc = new XmlDocument(); //創建空的XML文檔 xmldoc.LoadXml("<?xml version='1.0' encoding='gb2312'?>" + "<bookstore>" + "<book genre='fantasy' ISBN='2-3631-4'>" + "<title>Oberon's Legacy</title>" + "<author>Corets, Eva</author>" + "<price>5.95</price>" + "</book>" + "</bookstore>"); xmldoc.Save(Server.MapPath("bookstore2.xml")); //保存 }} 比較：第一種創建起來更加靈活，而第二種創建起來更加方便。最終創建的xml文件如下:(兩種方法創建效果都是一樣的)
<?xml version="1.0" encoding="gb2312" ?><bookstore> <book genre="fantasy" ISBN="2-3631-4"> <title>Oberon's Legacy</title> <author>Corets, Eva</author> <price>5.95</price> </book></bookstore>
