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
In ASP.NET MVC (starting in version 3), you can add the AllowHtml attribute to a property on your model.
It allows a request to include HTML markup during model binding by skipping request validation for the property.
[AllowHtml] public string Description { get; set; }