public string Binding()
        {
            //kamus
            GridRequestParameters param = GridRequestParameters.Current;

            List <Crew> items = RepoCrew.FindAll(param.Skip, param.Take, (param.Sortings != null ? param.Sortings.ToList() : null), param.Filters);
            int         total = RepoCrew.Count(param.Filters);

            return(new JavaScriptSerializer().Serialize(new { total = total, data = new CrewPresentationStub().MapList(items) }));
        }