3
votes
3answers
722 views

When and how to validate forms in a usability perspective?

I am implementing a business application and wounder what's the best way to validate forms, and when. An example is a form where three textfields where a currency amount is expected. A valid input is ...
11
votes
4answers
503 views

How to tell the user that an input box is autocomplete-enabled?

Is there a good graphical sign which tells the user that a particular field on the page is autocomplete enabled? For instance, the field name says "Document author". When you start typing in that ...