C# 解析XML
大家好，请教大家一个问题，有XML文件数据，现要对其解析，并将解析结果绑定在datagridview控件里面。这里面有个需求，请大家帮我分析下。
<?xml version="1.0" encoding="utf-16"?><items> <totalResults>404</totalResults> <Rows> <orderCode>SC12031900028</orderCode> <orderCode_item> <Item> <treasuryCoding>5</treasuryCoding> <orderCode>SC12031900028</orderCode> <consignmentBrand>999999</consignmentBrand> <productId>LE-42S35FW</productId> <productName>Pangoo42寸LED 3D电视LE-42S35FW-含挂架</productName> <specification>42寸 3D</specification> <orderQuantity>1</orderQuantity> <shipmentsIn>1</shipmentsIn> <isCancel /> <isScheduled /> <salesPrice>0.0000</salesPrice> <itemStats>10</itemStats> <date>2012/3/19 0:00:00</date> <returnNum /> <purchasePrice>3117.0000</purchasePrice> <returnsNum>0</returnsNum> <returnsNum_Arr>0</returnsNum_Arr> <weight>19.50</weight> <timeInventory>0</timeInventory> <inspection_Num /> <barcode>06949791500716</barcode> <barcode1 /> <refundRecord /> <unitPrice>0.0000</unitPrice> <totalPrice>0.0000</totalPrice> <gifts_Num /> <totalFifoCost /> <digitalAndLibrary /> </Item> <Item> <treasuryCoding>5</treasuryCoding> <orderCode>SC12031900028</orderCode> <consignmentBrand>999999</consignmentBrand> <productId>SU12030900019</productId> <productName>42S35一年延保</productName> <specification>42S35一年延保</specification> <orderQuantity>1</orderQuantity> <shipmentsIn>1</shipmentsIn> <isCancel /> <isScheduled /> <salesPrice>0.0000</salesPrice> <itemStats>10</itemStats> <date>2012/3/19 0:00:00</date> <returnNum /> <purchasePrice>0.0000</purchasePrice> <returnsNum>0</returnsNum> <returnsNum_Arr>0</returnsNum_Arr> <weight>0.00</weight> <timeInventory>0</timeInventory> <inspection_Num /> <barcode>TM12030900019</barcode> <barcode1 /> <refundRecord /> <unitPrice>0.0000</unitPrice> <totalPrice>0.0000</totalPrice> <gifts_Num /> <totalFifoCost /> <digitalAndLibrary /> </Item> </orderCode_item> </Rows></items>
foreach (XmlNode node in xml.ChildNodes) { if (node.Name == "items") { foreach (XmlNode node1 in node.ChildNodes) { if (node1.Name == "Rows") { foreach (XmlNode node2 in node1.ChildNodes) { if (node2.Name == "orderCode_item") { foreach (XmlNode node3 in node2.ChildNodes) { if (node3.Name == "Item") { foreach (XmlNode node4 in node3.ChildNodes) { switch (node4.Name) { case "orderCode": orderCode = node4.InnerText; break; case "productId": productId = node4.InnerText; break; case "productName": productName = node4.InnerText; break; case "orderQuantity": orderQuantity=node4.InnerText; break; case "totalPrice": totalPrice = node4.InnerText; break; } } } } } }
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Xml;namespace TestXml{ class Program { static void Main(string[] args) { XmlElement theBook = null; XmlElement theElement = null; XmlElement root = null; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load("book.xml"); //xmlDoc.LoadXml("<item><name>wrench</name></item>"); root = xmlDoc.DocumentElement; // ---新建一本书开始 ---- theBook = xmlDoc.CreateElement("book"); theBook.SetAttribute("id", "B01"); theElement = xmlDoc.CreateElement("name"); theElement.InnerText = "新书"; theBook.AppendChild(theElement); theElement = xmlDoc.CreateElement("price"); theElement.InnerText = "20"; theBook.AppendChild(theElement); theElement = xmlDoc.CreateElement("memo"); theElement.InnerText = "新书更好看..."; theBook.AppendChild(theElement); root.AppendChild(theBook); Console.Out.WriteLine("---新建一本书开始---"); Console.Out.WriteLine(xmlDoc.OuterXml); //下面对 三国演义做一些修改 //查询找 《三国演义》 -- theBook = (XmlElement)root.SelectSingleNode("/books/book[name='三国演义']") ; Console.Out.WriteLine("--- 查找《三国演义》 ----"); Console.Out.WriteLine(theBook.OuterXml); //修改这本书的 属性 theBook.GetElementsByTagName("price").Item(0).InnerText = "90";//getElementsByTagName返回的是NodeList，所以要跟上item(0) // 根据节点属性删除节点 theBook = (XmlElement)root.SelectSingleNode("/books/book[@id='B06']"); if (theBook != null) { Console.Out.WriteLine("---删除id 为 B06的书籍---"); Console.Out.WriteLine(theBook.OuterXml); theBook.ParentNode.RemoveChild(theBook); } else { Console.Out.WriteLine("未查找到指定的节点..."); } /* //---将价格低于20的书籍删除掉--- XmlNodeList someBooks = root.SelectNodes("/books/book[price<20]"); Console.Out.WriteLine("删除所有价格低于20的书籍."); Console.Out.WriteLine("---符合条件的书籍有 " + someBooks.Count + " 本。---") ; for (int i = 0; i < someBooks.Count; i++) { someBooks.Item(i).ParentNode.RemoveChild(someBooks.Item(i)); } Console.Out.WriteLine("---删除后的XML---"); Console.Out.WriteLine(xmlDoc.OuterXml); //---将名字=777--- XmlNodeList someBooks1 = root.SelectNodes("/books/book[name='777']"); Console.Out.WriteLine("删除名字为777的书籍."); Console.Out.WriteLine("---符合条件的书籍有 " + someBooks1.Count + " 本。---"); for (int i = 0; i < someBooks1.Count; i++) { someBooks1.Item(i).ParentNode.RemoveChild(someBooks1.Item(i)); } Console.Out.WriteLine("---删除后的XML---"); Console.Out.WriteLine(xmlDoc.OuterXml); */ XmlNodeList someBooks = root.SelectNodes("/books/book[contains(name,'77')]"); Console.Out.WriteLine("---符合条件的书籍有 " + someBooks.Count + " 条. ---"); xmlDoc.Save("book.xml"); Console.In.Read(); }catch (Exception e) { Console.Out.Write(e.Message); Console.In.Read(); } } }}