using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Xml.XPath;
class MainClass
{
static void Main(string[] args)
{
string xml = "" +
"- " +
"Some widget part " +
"12.99 " +
" " +
"- " +
"Another widget " +
"50.12 " +
" " +
" ";
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
XPathNavigator nav = doc.CreateNavigator();
Console.WriteLine("Total price for this order is ${0}", nav.Evaluate("sum(Order/Item/Price)"));
}
}
Total price for this order is $63.11