public override object Process(ServiceResponse response)
        {
            this.ServiceError = null;
            if (response.IsSuccess)
            {
                if (response.InfoMessage == null || response.InfoMessage.ToLower() == "null")
                {
                    this.DataSource = null;
                    return(null);
                }

                object current         = null;
                var    pageIndex       = 0;
                var    currentPosition = 0;
                if (this.DataSource != null && this.DataSource.CurrentItem != null)
                {
                    current         = this.DataSource.CurrentItem;
                    pageIndex       = this.DataSource.PageIndex;
                    currentPosition = this.DataSource.CurrentPosition;
                }
                var ds = new PagedCollectionView(InfoExchange.DeConvert <IList>(response.InfoMessage, InfoExchange.SetingsKonwnTypesBinder));
                if (current != null)
                {
                    var item = ds.OfType <object>().Where(c => c.Equals(current)).FirstOrDefault();
                    if (item != null)
                    {
                        ds.MoveCurrentTo(item);
                    }
                    else
                    {
                        try
                        {
                            ds.MoveToPage(pageIndex);
                            ds.MoveCurrentToPosition(currentPosition);
                        }
                        catch (Exception)
                        {
                        }
                    }
                }
                this.DataSource = ds;
            }
            else
            {
                this.DataSource   = null;
                this.ServiceError = response.ExceptionMessage;
            }
            return(this.DataSource);
        }