public ActionResult ProductDetail(int id)
{
var productDetail = productDetailService.Find(id);
var productDetailDTO = AutoMapper.Mapper.Map <ICollection <PDetailDTO> >(productDetail);
var product = productService.FindById(id);
ViewBag.product = AutoMapper.Mapper.Map <ProductDTO>(product);
var sizes = productDetailService.FindSizeByProduct(id);
var colors = productDetailService.FindColorByProduct(id);
ViewBag.size = AutoMapper.Mapper.Map <ICollection <SizeDTO> >(sizes);
ViewBag.color = AutoMapper.Mapper.Map <ICollection <ColorDTO> >(colors);
return(View(productDetailDTO));
}