Linq To Xml

<?xml version="1.0" encoding="utf-8" ?>
<Books>
<Category Order="1" Name="文学类">
<Book Order="1" Name="战争与和平" Author="张三" Price="120.00" Publish="北京大学出版社"></Book>
<Book Order="2" Name="简爱" Author="李四" Price="153.00" Publish="清华大学出版社"></Book>
<Book Order="3" Name="罪与罪" Author="王五" Price="89.00" Publish="工业出版社"></Book>
</Category>

<Category Order="3" Name="计算机类">
<Book Order="1" Name="Linq高级编程" Author="童贝" Price="67.40" Publish="北京大学出版社"></Book>
<Book Order="2" Name="深入浅出WPF" Author="向刚" Price="65.00" Publish="清华大学出版社"></Book>
<Book Order="3" Name="ASP.Net MVC4" Author="马六" Price="89.00" Publish="工业出版社"></Book>
</Category>

<Category Order="2" Name="科技类">
<Book Order="1" Name="自然" Author="邵叶" Price="130.40" Publish="北京大学出版社"></Book>
<Book Order="2" Name="新工业革命" Author="李安" Price="65.00" Publish="清华大学出版社"></Book>
<Book Order="3" Name="时空" Author="马六" Price="150.00" Publish="工业出版社"></Book>
</Category>
</Books>

public class Book
{
/// <summary>
/// 分类名称
/// </summary>
public string Category { get; set; }

/// <summary>
/// 书籍名称
/// </summary>
public string Name { get; set; }

/// <summary>
/// 价格
/// </summary>
public string Price { get; set; }

/// <summary>
/// 作者
/// </summary>
public string Author { get; set; }

/// <summary>
/// 出版社
/// </summary>
public string Publish { get; set; }
}

using System.Xml.Linq;

private void LoadXml()
{
XElement bookXml = XElement.Load(Server.MapPath("~/Book.xml"));

if (bookXml == null)
{
return;
}

// 查找所有书籍分类
var categorysElement = from item in bookXml.Elements("Category")
orderby (int.Parse(item.Attribute("Order").Value))
select item;
List<Book> listBook = new List<Book>();

foreach (var categoryElement in categorysElement)
{
// 获取书籍分类的名称
string categoryName = categoryElement.Attribute("Name").Value;

// 查找此分类下的所有书籍
var booksElement = from book in categoryElement.Elements("Book")
orderby (int.Parse(book.Attribute("Order").Value))
select book;

foreach (var bookElement in booksElement)
{
Book book = new Book();
book.Category = categoryName;
book.Name = bookElement.Attribute("Name").Value;
book.Author = bookElement.Attribute("Author").Value;
book.Price = bookElement.Attribute("Price").Value;
book.Publish = bookElement.Attribute("Publish").Value;
listBook.Add(book);
}
}

this.grdBooks.DataSource = listBook;
this.grdBooks.DataBind();
}