public List<GenericItem> GetItemAll(AppConnData oAppConnData)
        {
            try
            {
                if (!BizUtilities.ValidateServiceConnection(oAppConnData))
                    throw new BusinessException(15, "Nombre de Usuario o Contraseña incorrecta para el Servicio");

                oAppConnData = BizUtilities.GetDataConnection(oAppConnData);

                InventoryAccess = new InventoryData(oAppConnData.adoConnString);
                return InventoryAccess.GetItemAll();
            }
            catch (DbException ex)
            {
                Exception outEx;
                if (ExceptionPolicy.HandleException(ex, "Politica_SQLServer", out outEx))
                {
                    outEx.Data.Add("1", "14");
                    outEx.Data.Add("2", "NA");
                    outEx.Data.Add("3", outEx.Message + " Descripción: " + ex.Message);
                    throw outEx;
                }
                else
                {
                    throw ex;
                }
            }
            catch (BusinessException ex)
            {
                BizUtilities.ProcessBusinessException(ex);
            }
            catch (Exception ex)
            {
                Exception outEx;
                if (ExceptionPolicy.HandleException(ex, "Politica_ExcepcionGenerica", out outEx))
                {
                    outEx.Data.Add("1", "3");
                    outEx.Data.Add("2", "NA");
                    outEx.Data.Add("3", outEx.Message);
                    throw outEx;
                }
                else
                {
                    throw ex;
                }
            }
            return null;
        }
        public Item GetSingle(string itemCode, AppConnData oAppConnData)
        {
            try
            {
                if (!BizUtilities.ValidateServiceConnection(oAppConnData))
                    throw new BusinessException(15, "Nombre de Usuario o Contraseña incorrecta para el Servicio");

                oAppConnData = BizUtilities.GetDataConnection(oAppConnData);

                InventoryAccess = new InventoryData(oAppConnData.adoConnString);

                List<UserDefinedField> udf = new List<UserDefinedField>();
                udf.Add(new UserDefinedField() { name = "U_EnvaseDev" });

                return InventoryAccess.GetSingle(itemCode, udf);
            }
            catch (DbException ex)
            {
                Exception outEx;
                if (ExceptionPolicy.HandleException(ex, "Politica_SQLServer", out outEx))
                {
                    outEx.Data.Add("1", "14");
                    outEx.Data.Add("2", "NA");
                    outEx.Data.Add("3", outEx.Message + " Descripción: " + ex.Message);
                    throw outEx;
                }
                else
                {
                    throw ex;
                }
            }
            catch (BusinessException ex)
            {
                BizUtilities.ProcessBusinessException(ex);
            }
            catch (Exception ex)
            {
                Exception outEx;
                if (ExceptionPolicy.HandleException(ex, "Politica_ExcepcionGenerica", out outEx))
                {
                    outEx.Data.Add("1", "3");
                    outEx.Data.Add("2", "NA");
                    outEx.Data.Add("3", outEx.Message);
                    throw outEx;
                }
                else
                {
                    throw ex;
                }
            }
            return null;
        }