private static void DeleteAllFlat() { var flatServiceEntities = flatService.GetAll(); foreach (var flatServiceEntity in flatServiceEntities) { if (flatService.IsPossibilityToDelete(flatServiceEntity)) { flatService.Delete(flatServiceEntity); } } var houseServiceEntities = houseService.GetAll(); foreach (var houseServiceEntity in houseServiceEntities) { if (houseService.IsPossibilityToDelete(houseServiceEntity)) { houseService.Delete(houseServiceEntity); } } var plotServiceEntities = plotService.GetAll(); foreach (var plotServiceEntity in plotServiceEntities) { if (plotService.IsPossibilityToDelete(plotServiceEntity)) { plotService.Delete(plotServiceEntity); } } var residenceServiceEntities = residenceService.GetAll(); foreach (var residenceServiceEntity in residenceServiceEntities) { if (residenceService.IsPossibilityToDelete(residenceServiceEntity)) { residenceService.Delete(residenceServiceEntity); } } var roomServiceEntities = roomService.GetAll(); foreach (var roomServiceEntity in roomServiceEntities) { if (roomService.IsPossibilityToDelete(roomServiceEntity)) { roomService.Delete(roomServiceEntity); } } }