var collection = Identity.NullReference();

                foreach(var line in doc.Lines)

                {

                    if (line.ProductId.ToString() == uniqueId)

                    {

                        collection = (line as ProductLine)?.Collection;

                        if (!ConfiguredSystemUnitProduct.IsInSystemUnit(doc, collection))

                        {

                            uniqueId = line.UniqueId;

                        }

                    }

                }

​

​

​

​

​

​

                var collection = Identity.NullReference();

                var item = new DLineInfo();

​

                foreach (var line in doc.Lines)

                {

                    if (line.ProductId.ToString() == uniqueId)

                    {

                        collection = (line as ProductLine)?.Collection;

                        if (!ConfiguredSystemUnitProduct.IsInSystemUnit(doc, collection))

                        {

                            foreach (var product in products)

                            {

                                if (product.NomenclatureId == line.ProductId && product.Line == line.LineNumber)

                                    item = product;

                            }

                            res.Add(item);

                        }

                    }

                }