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Editorial Team
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Asked: 2026-06-12T15:29:34+00:00

I have some test html page <!DOCTYPE html> <html lang=en xmlns=http://www.w3.org/1999/xhtml> <head> <meta charset=utf-8

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I have some test html page

<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title>Page for test</title>
</head>
<body>
    <div class="r_tr">
        <span class="r_rs">Inner text<span class="otherSpan" style="display: none">text</span></span>
    </div>
</body>
</html>

I want to get “Inner text”.
I am using HtmlAgilityPack.
I write this method 

public string GetInnerTextFromSpan(HtmlDocument doc)
{
    const string rowXPath = "//*[@class=\"r_tr\"]";
    const string spanXPath = "//*[@class=\"r_rs\"]";
    string text = null;
    HtmlNodeCollection rows = doc.DocumentNode.SelectNodes(rowXPath);
    foreach(HtmlNode row in rows)
    {
        text = row.SelectSingleNode(spanXPath).InnerText;
        Console.WriteLine("textL {0}", text);
    }
    return text;

}

but this method return “Inner texttext”.
I write some unit test for explain my problem

[Test]
public void TestGetInnerTextFromSpan()
{
    var client = new PromtTranslatorClient();
    var doc = new HtmlDocument();
    doc.Load(@"testPage.html");
    var text = client.GetInnerTextFromSpan(doc);
    StringAssert.AreEqualIgnoringCase("Inner text", text);
}

and result

Expected string length 10 but was 14. Strings differ at index 10.
  Expected: "Inner text", ignoring case
  But was:  "Inner texttext"
  ---------------------^
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1 Answer

  1. Editorial Team

    I do not know XPath but here is solution using LINQ:

    String inner = (from x in doc.DocumentNode.Descendants()
                where x.Name == "span"
                && x.Attributes["class"].Value == "r_rs"
                select 
                      (from y in x.ChildNodes
                       where y.Name == "#text"
                       select y.InnerText).FirstOrDefault()
                ).FirstOrDefault();
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