<?xml version="1.0" encoding="utf-8"?>
<bookstore>
<book ISBN="123">
<title>數據一</title>
<auhtor>TOM</auhtor>
</book>
<book ISBN="124">
<title>數據二</title>
<auhtor>Jerry</auhtor>
</book>
<book ISBN="nameTest">
<title>藺宜忠前景展望</title>
<author>藺宜忠</author>
</book>
</bookstore>
//輸出xml文件
//XmlDocument xml = new XmlDocument();
//xml.Load(Server.MapPath("App_Data/BookStore.xml"));
//Response.Write(Server.HtmlEncode(xml.InnerXml));
//輸出xml文檔，保存xml文件
//XmlDocument doc = new XmlDocument();
//string xml = "<?xml version=/"1.0/" encoding=/"utf-8/" ?><bookstore> <book ISBN=/"123/"> <title>數據一</title> <auhtor>TOM</auhtor> </book> <book ISBN=/"124/"> <title>數據二</title> <auhtor>Jerry</auhtor> </book></bookstore>";
//doc.LoadXml(xml);
//Response.Write(Server.HtmlEncode(doc.InnerXml));
//string file = Server.MapPath("~/App_Data/book2.xml");
//doc.Save(file);
//添加一個xml節點
//string file = Server.MapPath("~/App_Data/book2.xml");
//XmlDocument doc = new XmlDocument();
//doc.Load(file);
//XmlElement book = doc.CreateElement("book");
//book.SetAttribute("ISBN", "nameTest");
//XmlElement title = doc.CreateElement("title");
//title.InnerText = "藺宜忠自傳";
//XmlElement author = doc.CreateElement("author");
//author.InnerText = "藺宜忠";
//book.AppendChild(title);
//book.AppendChild(author);
//XmlElement root = doc.DocumentElement;
//root.AppendChild(book);
//doc.Save(file);
//刪除最後節點
//string file = Server.MapPath("~/App_Data/book2.xml");
//XmlDocument doc = new XmlDocument();
//doc.Load(file);
//XmlElement root = doc.DocumentElement;
//XmlNode toRemoveNode= root.LastChild;
//root.RemoveChild(toRemoveNode);
//doc.Save(file);
//獲取某個節點
//string file = Server.MapPath("~/App_Data/book2.xml");
//XmlDocument doc = new XmlDocument();
//doc.Load(file);
//string isbn = "nameTest";
//XmlNode root = doc.DocumentElement;
//foreach (XmlNode child in root.ChildNodes)
//{
// if (child.Attributes["ISBN"].Value == isbn)
// {
// //XmlNode title = child.ChildNodes[0];
// //XmlNode title = child.FirstChild;
// XmlNode title = child.SelectSingleNode("./title");
// Response.Write(title.InnerText);
// }
//}
//更新節點
string file = Server.MapPath("~/App_Data/book2.xml");
XmlDocument doc = new XmlDocument();
doc.Load(file);
string isbn = "nameTest";
XmlNode root = doc.DocumentElement;
foreach (XmlNode child in root.ChildNodes)
{
if (child.Attributes["ISBN"].Value == isbn)
{
//XmlNode title = child.ChildNodes[0];
//XmlNode title = child.FirstChild;
XmlNode title = child.SelectSingleNode("./title");
title.InnerText = "藺宜忠前景展望";
Response.Write(title.InnerText);
}
}
doc.Save(file);
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Linq;
using System.Linq;
namespace Learnmark.Website.Common
{
public class cls_News
{
private string m_dataPath;
public cls_News(string dataPath)
{
if (System.IO.File.Exists(dataPath) == true)
{
DataPath = dataPath;
}
else
{
DataPath = dataPath;
RebuildNewsesDataSchema();
}
}
public string DataPath
{
get
{
return m_dataPath;
}
set
{
m_dataPath = value;
}
}
public bool AddNews(int newsType, string newsTitle, string newsDetails, string newsDate)
{
try
{
string newsSubTitle;
if (newsTitle.Length > 18)
{
newsSubTitle = newsTitle.Substring(0, 18) + "...";
}
else
{
newsSubTitle = newsTitle;
}
XElement newses = XElement.Load(DataPath);
XElement news = new XElement("News",
new XAttribute("ID", GetNextNewsID()),
new XAttribute("Type", newsType.ToString()),
new XAttribute("Title", newsTitle),
new XAttribute("DisTitle", newsSubTitle),
new XAttribute("Details", newsDetails),
new XAttribute("Date", newsDate),
new XAttribute("DateCreated", DateTime.Now.ToString("s")),
new XAttribute("DateUpdated", DateTime.Now.ToString("s"))
);
newses.AddFirst(news);
newses.Save(DataPath);
return true;
}
catch
{
return false;
}
}
public bool RebuildNewsesDataSchema()
{
try
{
XDocument newsDataSchema = new XDocument(
new XElement("Newes"));
newsDataSchema.Save(DataPath);
return true;
}
catch
{
return false;
}
}
public int GetNextNewsID()
{
try
{
XElement newses = XElement.Load(DataPath);
IEnumerable<int> IDs =
from el in newses.Elements("News")
let ID = (int)el.Attribute("ID")
orderby ID descending
select ID;
int nowID = Convert.ToInt32(IDs.Max());
return nowID + 1;
}
catch
{
return 1;
}
}
public bool DeleteNews(int newsID)
{
try
{
XElement newses = XElement.Load(DataPath);
var newsNeedDel =
from el in newses.Elements("News")
where (int)el.Attribute("ID") == newsID
select el;
newsNeedDel.Remove();
newses.Save(DataPath);
return true;
}
catch
{
return false;
}
}
public bool UpdateNews(int newsID,int newsType, string newsTitle, string newsDetails, string newsDate)
{
try
{
XElement newses = XElement.Load(DataPath);
var newsInfo =
from el in newses.Elements("News")
where (int)el.Attribute("ID") == newsID
select el;
newsInfo.Single().SetAttributeValue("Type", newsType.ToString());
newsInfo.Single().SetAttributeValue("Title", newsTitle);
newsInfo.Single().SetAttributeValue("Details", newsDetails);
newsInfo.Single().SetAttributeValue("Date", newsDate);
newsInfo.Single().SetAttributeValue("DateUpdated", DateTime.Now.ToString("s"));
newses.Save(DataPath);
return true;
}
catch
{
return false;
}
}
public XElement GetNews(int newsID)
{
XElement newses = XElement.Load(DataPath);
var newsInfo =
from el in newses.Elements("News")
where (int)el.Attribute("ID") == newsID
select el;
return newsInfo.Single();
}
}
}
********************
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using Learnmark.Website.Common;
namespace Learnmark.Website.WebUI.Components
{
public partial class NewsDetails : System.Web.UI.UserControl
{
cls_News newsDetails;
public string m_NewsTitle = string.Empty;
public string m_NewsDetails = string.Empty;
public string m_NewsDateUpdated = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
newsDetails = new cls_News(Server.MapPath("~/App_Data/NewsData/News.xml"));
if (Convert.ToString(Request.QueryString["ID"]) != "")
{
XElement news = newsDetails.GetNews(Convert.ToInt32(Request.QueryString["ID"]));
m_NewsTitle = news.Attribute("Title").Value.ToString();
m_NewsDetails = news.Attribute("Details").Value.ToString();
m_NewsDateUpdated = news.Attribute("Date").Value.ToString();
}
lblTitle.Text = m_NewsTitle;
lblDetails.Text = m_NewsDetails;
lblDateUpdated.Text = m_NewsDateUpdated;
Page.Title = m_NewsTitle + "訓,精英IT培訓解決方案提供商";
}
}
}