Remove attributes using HtmlAgilityPack - html

Question

I'm trying to create a code snippet to remove all style attributes regardless of tag using HtmlAgilityPack.
Here's my code:
var elements = htmlDoc.DocumentNode.SelectNodes("//*");
if (elements!=null)
{
foreach (var element in elements)
{
element.Attributes.Remove("style");
}
}
However, I'm not getting it to stick? If I look at the element object immediately after Remove("style"). I can see that the style attribute has been removed, but it still appears in the DocumentNode object. :/
I'm feeling a bit stupid, but it seems off to me? Anyone done this using HtmlAgilityPack? Thanks!
Update
I changed my code to the following, and it works properly:
public static void RemoveStyleAttributes(this HtmlDocument html)
{
var elementsWithStyleAttribute = html.DocumentNode.SelectNodes("//#style");
if (elementsWithStyleAttribute!=null)
{
foreach (var element in elementsWithStyleAttribute)
{
element.Attributes["style"].Remove();
}
}
}

Answer 1

Your code snippet seems to be correct - it removes the attributes. The thing is, DocumentNode .InnerHtml(I assume you monitored this property) is a complex property, maybe it get updated after some unknown circumstances and you actually shouldn't use this property to get the document as a string. Instead of it HtmlDocument.Save method for this:
string result = null;
using (StringWriter writer = new StringWriter())
{
htmlDoc.Save(writer);
result = writer.ToString();
}
now result variable holds the string representation of your document.
One more thing: your code may be improved by changing your expression to "//*[#style]" which gets you only elements with style attribute.

Answer 2

Here is a very simple solution
VB.net
element.Attributes.Remove(element.Attributes("style"))
c#
element.Attributes.Remove(element.Attributes["style"])