检测C#中的XML片段

using System;
using System.Xml;

public class XmlFragmentDetection
{
    public static void Main()
    {
        string xmlFragment = "<bookstore><book genre='novel' ISBN='1-861001-57-5'><title>Pride And Prejudice</title><author>Jane Austen</author></book></bookstore>";

        try
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(xmlFragment);

            // 语法检测
            Console.WriteLine("XML片段的语法正确。");

            // 结构检测
            XmlNodeList bookNodes = xmlDoc.SelectNodes("//book");
            Console.WriteLine("XML片段中包含 {0} 个book节点。", bookNodes.Count);

            // 数据验证
            foreach (XmlNode bookNode in bookNodes)
            {
                string genre = bookNode.Attributes["genre"].Value;
                string title = bookNode.SelectSingleNode("title").InnerText;
                string author = bookNode.SelectSingleNode("author").InnerText;

                Console.WriteLine("书籍类型：{0}", genre);
                Console.WriteLine("书籍标题：{0}", title);
                Console.WriteLine("书籍作者：{0}", author);
            }
        }
        catch (XmlException ex)
        {
            Console.WriteLine("XML片段的语法错误：{0}", ex.Message);
        }
        catch (Exception ex)
        {
            Console.WriteLine("处理XML片段时发生错误：{0}", ex.Message);
        }
    }
}