Erm...there was no real election. He was appointed as chanellor by Hindenburg after Brüning, Papen and Schleicher couldn't solve the problems that were caused by the economic crisis. He didn't even like him. But there was noone else who could have done the job. Well, they didn't know how it would end. Well, later they could only vote for a party...what means NSDAP yes or no...no big choice.