private void FixupCourse(Course previousValue)
{
if (previousValue != null && ReferenceEquals(previousValue.OnlineCourse, this))
{
previousValue.OnlineCourse = null;
}
if (Course != null)
{
Course.OnlineCourse = this;
if (CourseID != Course.CourseID)
{
CourseID = Course.CourseID;
}
}
}
private void FixupCourse(Course previousValue)
{
if (previousValue != null && previousValue.StudentGrades.Contains(this))
{
previousValue.StudentGrades.Remove(this);
}
if (Course != null)
{
if (!Course.StudentGrades.Contains(this))
{
Course.StudentGrades.Add(this);
}
if (CourseID != Course.CourseID)
{
CourseID = Course.CourseID;
}
}
}