it’s better to update your ionic to 2.0.0.beta11 and @angular/core@2.0.0-rc.4 in order to get all latest functionality and using with same forms will work greatly.
follow these instructions on how to upgrade to Beta 11
and for reference you can go through this topic on forum
NOTE: Kindly keep backup of your project which is may be you are working on ionic2 beta10.
Because in my case when I upgrade from beta10 to beta11 my sidemenu not working…
Thanks