public ActionResult Post(DrinkViewModel viewModel)
        {
            viewModel.DrinkTypes = _db.DrinkTypes.ToList();
            viewModel.Locations  = from a in _db.Locations
                                   select new Contract.DataContracts.Location
            {
                Id   = a.Id,
                Name = a.Name
            };

            var validaiton = _service.Add(new DrinkDto
            {
                Name              = viewModel.Drink.Name,
                Price             = viewModel.Drink.Price,
                LocationOfDrinkId = viewModel.LocationId,
                DrinkTypeId       = viewModel.DrinkTypeId
            });

            if (validaiton.IsSuccess)
            {
                viewModel.Message = "Success!";
                return(View(viewModel));
            }

            viewModel.Message = validaiton.ErrorMessage;
            return(View(viewModel));
        }