Compile XPath to create XPathExpression : XPath « XML « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. XML
3. XPath

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using System.Xml.XPath;

    public class MainClass
    {
        public static void Main()
        {
            
            XPathDocument doc = new XPathDocument(Application.StartupPath + @"\employees.xml");
            XPathNavigator navigator = doc.CreateNavigator();
            XPathExpression expression = navigator.Compile("xpath");
            XPathNodeIterator iterator = navigator.Select(expression);
            try
            {
                Console.WriteLine("The expressions returned " + iterator.Count + " nodes");
                if (iterator.Count > 0)
                {
                    while (iterator.MoveNext())
                    {
                        Console.WriteLine(iterator.Current.OuterXml);
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
    }