public static void DeleteYear(int year)
{
TrimesterCommentModel.DeleteAll(year);
TrimesterSubjectCommentModel.DeleteAll(year);
SemiTrimesterCommentModel.DeleteAll(year);
PeriodCommentModel.DeleteAll(year);
MarkModel.DeleteAll(year);
TeacherClassModel.DeleteAll(year);
LevelSubjectModel.DeleteAll(year);
SubjectTeacherModel.DeleteAll(year);
SemiTrimesterModel.DeleteAll(year);
PeriodModel.DeleteAll(year);
StudentModel.DeleteAll(year);
ClassModel.DeleteAll(year);
LevelModel.DeleteAll(year);
SubjectModel.DeleteAll(year);
TeacherModel.DeleteAll(year);
YearParametersModel.DeleteAll(year);
YearModel.Delete(year);
MessageBox.Show("Suppresion de l'année réussie.", "Réussite", MessageBoxButton.OK, MessageBoxImage.Information);
MainViewModel.Instance.LoadYears();
MainViewModel.Instance.SelectedYear = year - 1;
}
