C#读取XML文件节点值

Question

<?xml version="1.0" encoding="utf-8" ?><xml>  <exception>    <modeule id="test1">      <tipMessage id="m001">连接数据库失败</tipMessage>      <tipMessage id="m002">删除失败</tipMessage>    </modeule>        <modeule id="test2">      <tipMessage id="m001">连接数据库失败</tipMessage>      <tipMessage id="m002">删除失败</tipMessage>    </modeule>  </exception>    <message>    <module id="test3">      <tipMessage id="m001">连接数据库失败</tipMessage>      <tipMessage id="m002">删除失败</tipMessage>    </module>      </message></xml>以上为一个XML文件，我想根据我传入的参数“test1”和“m001”读出节点  <tipMessage id="m001">连接数据库失败</tipMessage>的值，高手请指点

Answer 1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;

namespace XmlTest
{
    class Program
    {
        static void Main(string[] args)
        {
            var doc = XDocument.Load("data.xml");
            var value = (from node in doc.Descendants("modeule")
                         where node.Attribute("id").Value == "test1"
                         from tip in node.Elements("tipMessage")
                         where tip.Attribute("id").Value == "m001"
                         select tip.Value).FirstOrDefault();

            Console.WriteLine(value);

            Console.ReadLine();
        }
    }
}