Calendar control

[Chakra]

When i place a calendar control in a mobile app, and run it on a mobile
phone, it shows a button called 'Date' but when the button is clicked, it
brings up a message box 'Something must be keyed in' (or some such message).

 

[Chance Hopkins]

Check out this sample:

http://samples.gotdotnet.com/MobileQuickStart/Default.aspx?url=doc/SpecialFeatures.aspx

You want the last one in the list, "Choosing a Date with the Calendar
Control"