using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.xml;

namespace?使用xmlDocument
{
????public?partial?class?Form1?:?Form
????{
????????List?bookModelList?=?new?List（）;
????????public?class?BookModel
????????{
????????????public?BookModel（）
????????????{?}
????????????///?

????????????///?所對應的課程類型
????????????///?

????????????private?string?bookType;
????????????public?string?BookType
????????????{
????????????????get?{?return?bookType;?}
????????????????set?{?bookType?=?value;?}
????????????}
????????????///?

????????????///?書所對應的ISBN號
????????????///?

????????????private?string?bookISBN;

????????????public?string?BookISBN
????????????{
????????????????get?{?return?bookISBN;?}
????????????????set?{?bookISBN?=?value;?}
????????????}
????????????///?

????????????///?作者
????????????///?

????????????private?string?bookAuthor;


????????????public?string?BookAuthor
????????????{
????????????????get?{?return?bookAuthor;?}
????????????????set?{?bookAuthor?=?value;?}
????????????}

????????????///?

????????????///書名
????????????///?

????????????private?string?bookName;
????????????public?string?BookName?{
????????????????get?{?return?bookName;?}
????????????????set?{?bookName?=?value;?}
????????????}

????????????///?

????????????///?價格
????????????///?

????????????private?double?bookPrice;
????????????

????????????public?double?BookPrice?{
????????????????get?{?return?bookPrice;?}
????????????????set?{?bookPrice?=?value;?}
????????????}?

????????}
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{???
????????????//首先，實例化對話框類實例
????????????OpenFileDialog?openDialog?=?new?OpenFileDialog（）;
????????????if（DialogResult.OK?==?openDialog.ShowDialog（））
????????????{
????????????????string?path?=?openDialog.FileName;
????????????????xmlDocument?doc?=?new?xmlDocument（）;
????????????????xmlReaderSettings?settings?=?new?xmlReaderSettings（）;
????????????????settings.IgnoreComments?=?true;//忽略文檔里面的注釋
????????????????xmlReader?reader?=?xmlReader.Create（pathsettings）;
????????????????doc.Load（reader）;
????????????????//得到根節點
????????????????xmlNode?xn?=?doc.SelectSingleNode（“bookstore“）;

????????????????//得到根節點的所有子節點
????????????????xmlNodeList?xnl?=?xn.ChildNodes;

????????????????foreach（xmlNode?xn1?in?xnl）{
????????????????????BookModel?bookModel?=?new?BookModel（）;
????????????????????//將節點轉換為元素，便于得到節點的屬性值
????????????????????xmlElement?xe?=（xmlElement）xn1;
????????????????????//得到Type和ISBN兩個屬性的屬性值
????????????????????bookModel.BookISBN?=?xe.GetAttribute（“ISBN“）.ToString（）;