public void ZAttributeTestC_BatchDeleteAttribute()
        {
            bool hasCallbackArrived = false;
            bool actualValue = false;
            bool expectedValue = true;
            SimpleDBResponseEventHandler<object, ResponseEventArgs> handler = null;

            handler = delegate(object sender, ResponseEventArgs args)
            {
                //Unhook from event.
                _client.OnSimpleDBResponse -= handler;
                BatchDeleteAttributesResponse response = args.Response as BatchDeleteAttributesResponse;
                if (null != response)
                {
                    actualValue = true;
                }
                hasCallbackArrived = true;
            };

            //Hook to event
            _client.OnSimpleDBResponse += handler;

            BatchDeleteAttributesRequest deleteRequest = new BatchDeleteAttributesRequest() { DomainName = _domainName_UnitTesting };
            List<DeleteableItem> deleteItem = deleteRequest.Item;

            #region Commented
            //Commented because there was change in the property defination during resolving FxCop warning

            //List<Amazon.SimpleDB.Model.Attribute> itemA = new List<Amazon.SimpleDB.Model.Attribute>();
            //itemA.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Subcategory").WithValue("Private Limited"));

            //List<Amazon.SimpleDB.Model.Attribute> itemB = new List<Amazon.SimpleDB.Model.Attribute>();
            //itemB.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Size").WithValue("Large"));

            //deleteItem.Add(new DeleteableItem() { Attribute = itemA, ItemName = "ItemA" });
            //deleteItem.Add(new DeleteableItem() { Attribute = itemB, ItemName = "ItemB" });
            #endregion

            DeleteableItem item1 = new DeleteableItem { ItemName = "ItemA" };
            item1.Attribute.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Subcategory").WithValue("Private Limited"));
            DeleteableItem item2 = new DeleteableItem { ItemName = "ItemB" };
            item2.Attribute.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Size").WithValue("Large"));
            deleteItem.Add(item1);
            deleteItem.Add(item2);

            _client.BatchDeleteAttributes(deleteRequest);

            EnqueueConditional(() => hasCallbackArrived);
            EnqueueCallback(() => Assert.IsTrue(expectedValue == actualValue));
            EnqueueTestComplete();
        }
        private void btnBatchDeleteAttributes_Click(object sender, RoutedEventArgs e)
        {
            SimpleDBResponseEventHandler<object, ResponseEventArgs> responseHandler = null;

            responseHandler = delegate(object senderOriginal, ResponseEventArgs args)
            {
                ISimpleDBResponse result = args.Response;
                SimpleDB.Client.OnSimpleDBResponse -= responseHandler;
                this.Dispatcher.BeginInvoke(() =>
                {
                    BatchDeleteAttributesResponse response = result as BatchDeleteAttributesResponse;

                    if (null != response)
                    {
                        this.BatchDeleteMessage = "Batch attributes deleted successfully";
                    }
                    else
                    {
                        AmazonSimpleDBException exception = result as AmazonSimpleDBException;
                        if (null != exception)
                            this.BatchDeleteMessage = "Error: " + exception.Message;
                    }
                });
            };
            this.BatchDeleteMessage = "Please wait...";
            SimpleDB.Client.OnSimpleDBResponse += responseHandler;

            BatchDeleteAttributesRequest deleteRequest = new BatchDeleteAttributesRequest() { DomainName = this.DomainName };
            List<DeleteableItem> deleteItem = deleteRequest.Item;

            //List<Amazon.SimpleDB.Model.Attribute> attributeItem1 = new List<Amazon.SimpleDB.Model.Attribute>();
            //List<Amazon.SimpleDB.Model.Attribute> attributeItem2 = new List<Amazon.SimpleDB.Model.Attribute>();

            List<AttributeAndValue> aAndV1 = GetListAttributeAndValueFromString(this.AttributesAndValuesToPut);
            DeleteableItem item1 = new DeleteableItem { ItemName = "OneAttribute" };
            DeleteableItem item2 = new DeleteableItem { ItemName = "TwoAttribute" };

            int index = 0;
            foreach (var item in aAndV1)
            {
                if (index <= aAndV1.Count / 2)
                    item1.Attribute.Add(new Amazon.SimpleDB.Model.Attribute().WithName(item.Attribute).WithValue(item.Value));
                else
                    item2.Attribute.Add(new Amazon.SimpleDB.Model.Attribute().WithName(item.Attribute).WithValue(item.Value));
                index++;
            }

            //attributeItem1.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Category").WithValue("Clothes"));
            //attributeItem1.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Subcategory").WithValue("Sweater"));

            //attributeItem2.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Size").WithValue("Small"));
            //attributeItem2.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Color").WithValue("Siamese"));

            #region Commented
            //Commented because of changes in the Attribute property definition change during resolving FxCop warnings.
            //deleteItem.Add(new DeleteableItem() { Attribute = attributeItem1, ItemName = "OneAttribute" });
            //deleteItem.Add(new DeleteableItem() { Attribute = attributeItem2, ItemName = "TwoAttribute" });

            #endregion Commented
            deleteItem.Add(item1);
            deleteItem.Add(item2);

            SimpleDB.Client.BatchDeleteAttributes(deleteRequest);
        }