void LoadDay()
 {
     cmbDays.Items.Clear();
     using (Maintenance maintain = new Maintenance())
     {
         maintain.GetDay().ForEach(x =>
         {
             cmbDays.Items.Add(x.Day);
         });
     }
 }
 void GetDayAndTime()
 {
     dgDay.Rows.Clear();
     dgTime.Rows.Clear();
     using (Maintenance maintain = new Maintenance())
     {
         maintain.GetDay().Where(y => y.Active == true).ToList().ForEach(x =>
         {
             dgDay.Rows.Add(x.Day, false);
         });
         maintain.GetTime().Where(y => y.Active == true).ToList().ForEach(t =>
         {
             dgTime.Rows.Add(t.ID, string.Format("{0} to {1}", t.TimeStart.Value.ToShortTimeString(), t.TimeEnd.Value.ToShortTimeString()), false, t.TimeCode);
         });
     }
 }