How to get attribute from OrderItems table to order list?

Nop.Admin (OrderController.cs)

             var gridModel = new DataSourceResult
            {
                Data = orders.Select(x =>                                
                {
                    var store = _storeService.GetStoreById(x.StoreId);
                    return new OrderModel
                    {
                        Id = x.Id,
                        TimeRecord = x. ???
                        ...

<Attributes><ProductAttribute ID="22"><ProductAttributeValue><Value>пятница, 28 февраля 2020 г.</Value></ProductAttributeValue></ProductAttribute><ProductAttribute ID="23"><ProductAttributeValue><Value>17:00-18:30</Value></ProductAttributeValue></ProductAttribute></Attributes>

var combination = _productAttributeParser.FindProductAttributeCombination(orderItem.Product, orderItem.AttributesXml);
                        if (combination != null)
                        {
                            //combination exists
                            if (combination.Id == 23 || combination.Id == 24)
                            {
                                //get date
                            }
                        }

var combination = _productAttributeParser.FindProductAttributeCombination(orderItem.Product, orderItem.AttributesXml);
                        if (combination != null)
                        {
                            //combination exists
                            if (combination.Id == 23 || combination.Id == 24)
                            {
                                //get date
                            }
                        }

public virtual ActionResult OrderList(DataSourceRequest command, OrderListModel model)
        {
              ...
            var gridModel = new DataSourceResult
            {
                Data = orders.Select(x =>                                
                {
                    var store = _storeService.GetStoreById(x.StoreId);
                    return new OrderModel
                    {
                        Id = x.Id,
                        TimeRecord = x. ???
                        ...