fix code in visual studio

This assignment is due in 14 hours, please don't try to do it if u can't submit on time fellas.

it's a visual basic code that is desined to solve problem of (calculating student's grade based on assignments and exams' grades entered by user)  it's a long code but I already wrote it, you have to fix all the errors in it. i have attached a picture of the form for that code and a link to the instructions.  I will send the code when we agree.