public Excelmporter()
{
_service = ServiceLocator.Current.GetInstance <IGeneralService>();
_disciplines = new List <DisciplineYear>();
_newDisciplines = new List <Discipline>();
_newGroups = new List <Group>();
_workloads = new List <DisciplineWorkload>();
_disciplineYears = new List <DisciplineYear>();
_defaultDepartment = _service.GetAllDepartments().FirstOrDefault();
_allDisciplines = _service.GetAllDisciplines();
_semesters = _service.GetAllSemesters();
_studyYears = _service.GetAllStudyYears();
_groups = _service.GetAllGroups();
_specialities = _service.GetAllSpecialities();
Log = new List <string>();
}