LinQ to XML- Query XML document by attribute

一個LinQ to XML 的範例

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

class Program
{
static void Main(string[] args) {
XElement xml = XElement.Load("Employee.xml");
var query = from s in xml.Elements("salary").Elements("idperson")
where (int)s.Attribute("year") == 2004
select s;

foreach (var record in query) {
Console.WriteLine("Amount: {0}", (string)record.Attribute("salaryyear"));
}
}
}

出自:
http://www.java2s.com/Code/CSharp/XML-LINQ/QueryXMLdocumentbyattribute.htm