Detect if device is conected

How do I detect if an apple device (an iPad specifically) is connected to the internet?

Try this:

Application.internetReachability

In JavaScript I use this:

if ((Application.internetReachability == NetworkReachability.ReachableViaCarrierDataNetwork) 
|| 
(Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork))
{
//you're connected to the internet
}

Thanks guys!