private BatchRepo GetChosenBatch(int batchNr, int dayNr) { BatchRepo chosen = new BatchRepo(); for (int i = 0; i < batchRepo.Count; i++) { if (batchRepo.GetBatchNrByIndex(i).Equals(batchNr)) { chosen.AddItem(batchRepo.GetItem(i)); chosen.DeleteAllDaysButChosen(batchNr, dayNr); } } return(chosen); }