// ------------------ filter product type by category -----------
public ActionResult FilterProductTypeByCategory(int?id) // id = category ID
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
ViewBag.category = context.Category.Find(id);
IEnumerable <ProductType> filteredTypes = DAL.FilterProductTypeByCategory(id);
return(View(filteredTypes));
}
