Form is a component that extends the standard UIForm and provides a way to keep view
or request parameters in the request URL after a post-back and offers in combination with the
<o:ignoreValidationFailed> tag on an UICommand component the possibility to ignore
validation failures so that the invoke action phase will be executed anyway.
ViewParameter is a component that extends the standard UIViewParameter and provides a
stateless mode of operation and fixes the issue wherein null model values are converted to empty string parameters
in query string (e.g.