public FreightConditionBO Convert(FreightCondition condition)
        {
            if (condition == null)
            {
                return(null);
            }
            return(new FreightConditionBO()
            {
                Id = condition.Id,
                DangerousGoodsNumber = condition.DangerousGoodsNumber,
                DangerousGoodsName = condition.DangerousGoodsName,

                ItemIds = condition.Items?.Select(ic => ic.ItemID).ToList()
            });
        }
 public FreightCondition Create(FreightCondition condition)
 {
     _context.FreightConditions.Add(condition);
     return(condition);
 }