/// <summary>
/// 根据订单编号获取送货单
/// </summary>
/// <param name="oid">订单编号</param>
/// <returns></returns>
public List <DeliveryNote> GetDeliveryNoteByOID(string oid)
{
if (string.IsNullOrEmpty(oid))
{
return(null);
}
List <DeliveryNote> list = dao.GetDeliveryNoteByOID(oid);
if (list == null)
{
return(null);
}
return(list);
}