Dynamically binding data to combobox in Windows mobile 6

Question

Hi All,

I am very new to windows mobile applications.Still i have done Message interceptor and GPS related windows mobile applications.But i want to develop a form with dynamic field values.As we have combo box control in windows,we can bind data from database dynamically.Like that i want to bind data dynamically to the combo box in windows mobiles application.

Please do a favour.i did full length R&D work like from xml files and from .txt files.But still my requirement not getting any solution.

Another question is how to check state of the GPRS in mobile phones programatically.

Another one is like when we are trying to connect to GPRS it is showing status bar at the end of the form.It's basic one,but i want to do it in my form to know the staus.

Please please help me..........