public EasyTimetableMainPage()
{
InitializeComponent();
tempIDList = new List <int>();
today = DateService.GetTodayDateIndex();
dayofweek = DateService.GetTodayDayofWeek(today);
todayTitle.Text = dayofweek + " (" + DateTime.Today.Month + "." + DateTime.Today.Day + ")";
_database = new DatabaseService().SQLiteDatabase;
}