Ensure the controller is plugged in you launch the game. NBA 2K14 often fails to detect "hot-plugged" devices.
…Windows will often detect it as a DirectInput device. Without the right emulator, NBA 2K14 won’t recognize your triggers, sticks, or face buttons correctly. This is where the becomes critical. nba 2k14 pc controller setup link
For the controller link to hook into the game engine, the files must reside in the exact folder where the game is installed. Ensure the controller is plugged in you launch the game