public SelectFutureCoursesViewModel(ISqlData sqlData, IEventAggregator eventAggregator)
{
_sqlData = sqlData;
_eventAggregator = eventAggregator;
_yearOneCourses = new BindableCollection <CourseModel>(_sqlData.GetCoursesByYear(1));
_yearTwoCourses = new BindableCollection <CourseModel>(_sqlData.GetCoursesByYear(2));
_yearThreeCourses = new BindableCollection <CourseModel>(_sqlData.GetCoursesByYear(3));
_completedCourses = new List <CompletedCourseModel>(_sqlData.GetAllCompletedCourses(UserName));
Majors = new BindableCollection <MajorModel>(_sqlData.GetAllMajors());
}