How To Encode Special Characters In Html But Exclude Tags

I'm trying to convert an HTML page into one containing proper named entities, converting quotes, double quotes to entities. I tried the following code which works but encodes the H

Solution 1:

As noted by MatthewG above, the answer had already been posted to html entity encode text only, not html tag - the solution is to use HTMLAgilityPack and pass the html text or node to the method entitize - this encodes only the page content and not the tags.

using HtmlAgilityPack;
html = HtmlEntity.Entitize(html);