Read XML node using the XML path : XPath « XML « C# / C Sharp

Read XML node using the XML path


using System;
using System.Xml;

public class SellItems {

  static void Main(string [] args) {
    XmlDocument inventory = new XmlDocument();

    XmlNodeList elements = inventory.SelectNodes("//inventory/items/item");
    foreach (XmlElement element in elements) {
        string productCode = element.GetAttribute("productCode");
        int quantitySold = Int32.Parse(element.GetAttribute("quantity"));

        string xPathExpression = "//items/item[@productCode='" + productCode + "']";
        XmlElement inventoryItem = (XmlElement)inventory.SelectSingleNode(xPathExpression);
        int quantity = Int32.Parse(inventoryItem.GetAttribute("quantity"));
        quantity -= quantitySold;

  <date year="2006" month="8" day="27" />
    <item quantity="5" productCode="01" description="PHP"  unitCost="9.95" />
    <item quantity="3" productCode="02" description="Perl" unitCost="4.95" />

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