public RegistrationSemesterVM(Guid idGrupa) { _groupId = idGrupa; ExecuteAddSemesterCommand = new Commanding(RegisterSemester, CanRegisterSemester); ExecuteAddSemesterNameCommand = new Commanding(AddSemesterName, CanAddSemesterName); ExecuteAddPrzedmiotName = new Commanding(AddPrzedmiot, CanAddPrzedmiotName); SemesterName = Semestr.GetSemestersNames(); PrzedmiotName = Przedmiot.GetPrzedmiots(); }