public EditLesson(ScheduleRepository repo, int groupId, int dow, string time)
{
InitializeComponent();
_repo = repo;
_dow = dow;
_ring = _repo.FindRing(DateTime.ParseExact(time, "H:mm", CultureInfo.InvariantCulture));
var sStarts = _repo.GetSemesterStarts();
var gl = _repo.GetGroupedGroupLessons(groupId, sStarts);
_curLessons = new Dictionary<int, Tuple<string, List<Lesson>>>();
if (gl.ContainsKey(dow + " " + time))
{
_curLessons = gl[dow + " " + time];
_curTFDIndex = 0;
}
else
{
_curTFDIndex = -1;
tfdIndex.Text = "Пусто тут барин!";
}
DisplayTFD(_curTFDIndex);
}