private static void DropRegistration(string studentNum, string courseCode)// b.
{
using (SRS1179Entities db = new SRS1179Entities())
{
Student s = db.Students.Where(st => st.StudentNum == studentNum).First();
Course c = db.Courses.Where(cr => cr.CourseCode == courseCode).First();
s.Courses.Remove(c);
db.SaveChanges();
Console.WriteLine($"Registration dropped: {s.FirstName} -> {c.CourseName}");
}
}
private static void DropAllCourseRegistrations()// f.
{
using (SRS1179Entities db = new SRS1179Entities())
{
List <Course> courses = db.Courses.ToList();
foreach (Course c in courses)
{
c.Students.Clear();
}
db.SaveChanges();
Console.WriteLine("All course registrations dropped");
}
}
