File of student grades c#

Create a program that stores student grades in a text file. The file should contain the name, ID number, class taken and grade of every student. Allow the user to load a grade file and display its contents in a read-only TextBox. The entries should be displayed in the following format:

LastName, FirstName:     ID#     Class     Grade

Sample data:

Jones, Bob: 1 “Introduction to Computer Science” “A-“

Johnson, Sarah: 2 “Data Structures” “B+”

Smith, Sam: 3 “Data Structures” ‘C”