thanx 4 ur response sir
but i want to know which microcontroller to be used.
bcoz we need to control 10 anolog datas.
1.the microcontroller i must choose should be a 16 bit microcontroller(i suppose)
2.the microcontroller must have inbuilt adc.

then regarding c#. actually we r instrumentation enggs. our project has got selected in microsoft.net contest.

then for our 1st review we need to provide details about mu.c. we have doubt between mu.c based system and rtos embedded systems.

also can u help us in selecting a microcotroller.