Help with GUI#2

Question

Vulpes remember the GUI we were working on ( more like you were wokring on it lol....)
I took it to teacher today and he broke it, the students are kept in array and when you remove student and click previous student button it will crash, because the array has no value in it.
For some reason when you click next student, the previous and skip buttons are disabled.
Also I was working on it and renamed buttons the way you told me, I also renamed the text boxes to more appropriate names. I renamed the foofoo to currentDateTime and now it wont compile properly, I also gotta rename snark to something that is appropriate pretty much I gotta rename all the non-sense identifi