A potentially dangerous Request.Form value was detected from the client

Question

Every time a user posts something containing < or > in a page in my web application, I get this exception thrown.

I don\'t want to go

Answer 1

As long as these are only "<" and ">" (and not the double quote itself) characters and you're using them in context like , you're safe (while for <em>this one</em> you would be vulnerable of course). That may simplify your situation, but for anything more use one of other posted solutions.