title: ASP.NET MVC Add ModelState error with a hyperlink
body: <p>I have an item creation action where I check if item with the same name already exists in the system. I would like to add an error message with hyperlink (smth like 'An item with the same name already exists, you can open it via [url]') to ModelState. My url is not static (it is not <a href="http://google.com" rel="nofollow">http://google.com</a> like in example below :)), it depends on user input.</p>
  
  <p>I tried smth like</p>
  
  <pre><code>        ModelState.AddModelError("Name", "http://google.com");
          ModelState.AddModelError("Name", "&lt;a href=\"http://google.com\"&gt;http://google.com&lt;/a&gt;");
  </code></pre>
  
  <p>but everything is added as a simple text.</p>
  
  <p>Can anyone help me to achieve my goal? :)
  Thanks in advance</p>