linq 讀取xml文檔中的資料自動類型轉換

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Xml.Linq;namespace linqToXml{    class Program    {        static void Main(string[] args)        {            XElement myE = new XElement("Number", 12);            Console.WriteLine(myE);            Console.WriteLine("---------------------------");            Console.WriteLine((int)myE);                        XElement mE2 = new XElement("pi", 32.23323232);            Console.WriteLine("--------------------------");            Console.WriteLine(mE2);            Console.WriteLine((double)mE2);            XElement mE3 = new XElement("havaChild", true);            Console.WriteLine("---------------------------");            Console.WriteLine(mE3);            Console.WriteLine((bool)mE3);            Console.ReadLine();        }    }}