未处理的异常在task2中的0x001066F6。exe: 0xC0000005:访问违例读取位置0x0000000C

I wrote the code below as part of a school assignment. It sorts an array of object pointers based on the student ID, which is a private int between 100 and 999. But for some reason I get the following error on the getId function when debugging in VS12:I wrote the code below as part of a school assi