Source code file: ValidationErrors/app/students_controller.rb:
class StudentsController < ApplicationController
def add_new
@student = Student.new
end
def display_all
@student = Student.new(post_params)
@student.save
@a = Student.all
end
private
def post_params
params.require(:student).permit(
:fname, :major, :year, :gpa)
end
end