C172 student pilot experiences a sharp turn to the left upon landing resulting in a runway excursion. No damage or injuries are reported.

Narrative

I entered the traffic pattern as a student solo pilot; in a Cessna Skyhawk 172. The purpose of the flight was to meet FAR 61.109 required solo flight training hours. Upon landing; the aircraft veered to the left; sharply turned onto the pavement of Taxiway B-3; then traveled straight ahead off the runway pavement onto the taxiway pavement; then onto the grassy area bounded by 3 Taxiways and the runway. As the aircraft initially veered to the left; I applied insufficient right rudder and failed to maintain left aileron control. Once upon B-3 Taxiway I was able to straighten the aircraft through heavier application of right rudder control and the release of left aileron control. As the aircraft traveled straight ahead; off of the pavement onto the grass; I applied brakes to stop its forward movement. Lastly; I performed engine shutdown through leaning the mixture; turned off fuel flow; turned off the ignition and battery master control. The aircraft was inspected by a certified A&P/IA Technician immediately following landing. No damage occurred to the aircraft. Solo student pilot did not receive any injuries. No damage was sustained to the airport.