public override int GetHashCode() { unchecked { var hashCode = (StringId != null ? StringId.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (Description != null ? Description.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (Unit != null ? Unit.GetHashCode() : 0); hashCode = (hashCode * 397) ^ Quantity.GetHashCode(); hashCode = (hashCode * 397) ^ (DeliveryDate != null ? DeliveryDate.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (DeliveryAddress != null ? DeliveryAddress.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (DeliveryLocation != null ? DeliveryLocation.GetHashCode() : 0); return(hashCode); } }