LINQ TO XML 基础

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Linq;
using System.Data.Linq.Mapping;
using System.Xml.Linq;
using System.Xml;
namespace ConsoleTest
{
    class SchemaTest
    {
        static void Main(string[] args)
        {
            Console.ForegroundColor = ConsoleColor.Green;
            XDocument books = new XDocument(
                                new XDeclaration("1.0", "utf-8", "yes"),
                                new XElement("books",
                                new XElement("book", new XAttribute("publishdate", "2008"),
                                new XElement("bookname", " LINQ TO XML  "),
                                new XElement("author", "Fabrice Marguerie"),
                                new XElement("price", "29$")),
                                new XElement("book", new XAttribute("publishdate", "2003"),
                                new XElement("bookname", " Professional LINQ  "),
                                new XElement("author", " Scott Klein"),
                                new XElement("price", "19$"))));


            Console.WriteLine(books);
            Console.WriteLine("----------------------------------------------");
            ShowXmlElement(books);
            Console.ReadLine();
        }

        public static void ShowXmlElement(XDocument xNode) 
        {
            var q = from t in xNode.Elements("books").Elements("book") select t;
            foreach (var node in q) 
            {
                Console.Write("书籍名称：{0}",node.Element("bookname").Value);
                ShowAttribute(node);
                Console.WriteLine("作者名称：{0}", node.Element("author").Value);
                Console.WriteLine("价格:{0}", node.Element("price").Value);
                Console.WriteLine();
            }
            Console.WriteLine("ok");
        }
      

        public static void ShowAttribute(XElement xNode)
        {
            if (xNode.HasAttributes)
            {
                foreach (var objAtt in xNode.Attributes())
                {
                    Console.WriteLine("     出版日期：{0}", objAtt.Value);
                }
            }
        }

    }
}

通过以上代码测试了，XML文档的建立、查询及XML文档中属性的判断
输出结果