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Editorial Team
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Asked: 2026-05-31T17:25:42+00:00

I am using HtmlAgilityPack to parse my html doc, but I can’t get the

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I am using HtmlAgilityPack to parse my html doc, but I can’t get the html correct.

For example:

string s="<!DOCTYPE html>
              <li>Voltage: <0.05% + 10 mV 
              (<0.1% + 25 mV for output 2 of E3646/47/48/49A)</li>
          </html>";

HtmlAgilityPack.HtmlDocument doc;
doc.LoadHtml(s);

But I get:

"<li>Voltage: <0.05% +="" 10="" mv=""></0.05%><0.1% +="" 25="" mv="" for="" output="" 2="" of=""></0.1%></li>"

instead of: 

"<li>Voltage: <0.05% + 10 mV (<0.1% + 25 mV for output 2 of E3646/47/48/49A)</li>"

What is the problem?

p.s. I have an another html doc with utf-8 encoding and it does not have a problem.

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1 Answer

  1. Editorial Team

    You have < in the text of the li, causing mV etc… to be interpreted as attributes of the 0.05% element (it is interpreted as an element, as there is a < preceding it).

    You should escape these to &lt;.

    string s="<!DOCTYPE html>
              <li>Voltage: &lt;0.05% + 10 mV 
              (&lt;0.1% + 25 mV for output 2 of E3646/47/48/49A)</li>
          </html>";
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