You should come to Canada with enough money to support yourself during your study period.  However, you may work in Canada if you meet the following requirements:

On-Campus Work

• You are a full-time student with a study permit
• No work permit is required   

Off-Campus work

• You are a full-time student with a study permit
• Your job is part of a course of study, such as a work term during a co-op program
• Work permit is required

OR        

• You are a full-time student with a study permit
• You have accepted a study-related job for up to one (1) year upon graduation
• Work permit is required