Escape text for HTML

Question

How do i escape text for html use in C#? I want to do

sample="<span>blah<span>"

and have

<span>blah<span>

show up as plain text instead of blah only with the tags part of the html :(. Using C# not ASP

Answer 1

using System.Web;

var encoded = HttpUtility.HtmlEncode(unencoded);