public void AddOrDelete(BindableCollection <CourseModel> courses)
{
//TODO - add validation
foreach (var item in courses)
{
if (item.IsSelected == true)
{
_sqlData.InsertFutureCourse(UserName, item.CourseId, _major.MajorId);
}
else if (item.IsSelected == false)
{
_sqlData.RemoveFutureCourse(UserName, item.CourseId, _major.MajorId);
}
}
}