C# – Escape text for HTML

c++escapinghtml

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

Best Solution

using System.Web;

var encoded = HttpUtility.HtmlEncode(unencoded);