public ActionResult Delete(int id)
        {
            var bll      = new dtoProducto();
            var producto = bll.BuscarUnProducto(id);

            App_Start.AutoMapperWebConfiguration.Configure();
            var vmodel = Mapper.Map <dtoProducto, ProductoViewModels>(producto);

            return(View(vmodel));
        }
        public ActionResult Edit(int id)
        {
            var bll = new dtoProducto();
            var pr  = bll.BuscarUnProducto(id);

            var bllcat        = new UAIBay.BLL.DTO.dtoCategoria();
            var categoriasDTO = bllcat.TraerCategorias();

            App_Start.AutoMapperWebConfiguration.Configure();
            var vmodel = Mapper.Map <dtoProducto, ProductoViewModels>(pr);
            var categoriasViewmodel = Mapper.Map <List <CategoriaViewModels> >(categoriasDTO);

            ViewBag.Categorias = categoriasViewmodel.Select(x => new SelectListItem {
                Text = x.Nombre, Value = x.IdCategoria.ToString()
            }).ToList();
            return(View(vmodel));
        }