Netduino: Light sensor



This is latest project I'm working on. It is using the .Net micro framework. Its is implemented on the device called netduino. This is a device that accepts the connections and synchronises with different sensors.
 The problem is here:  In my area I see street lights turned on during day most of the times. It is manually operated. So, I decided to program the netduino with a light sensor which detects the sunlight kept at an elevated position over the main power house for all these street lamps. 
Comments are invited!