public void EnrollInCourse()
{
if (SelectedCourse != null && !AlreadyEnrolledInCourse(SelectedCourse))
{
CoursesEnrolledIn.Add(SelectedCourse);
}
else
{
// handle error
}
}
public void RemoveSelectedCourse()
{
CoursesEnrolledIn.Remove(EnrolledCourseSelection);
}
private bool AlreadyEnrolledInCourse(Course course)
{
return(CoursesEnrolledIn.Contains(course));
}
