C#, parsing HTML page, using HTML Agility Pack

Following this example, I can find the LI sections.

Html Agility Pack - Parsing 开发者_运维技巧<li>

However, I only want the LI items that reside inside the div with an id of "res".

How do I do that?

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Something like this:

List facts = new List();
foreach (HtmlNode li in doc.DocumentNode.SelectNodes("//div[@id='res']/li")) {
    facts.Add(li.InnerText);
}

XPath Checker might also help you with future XPath queries.