public ActionResult Edit(Guid? id)
        {
            //var model = new ProductFlavourDTO();
            var model = new ProductFlavourViewModel();
            if (id.HasValue)
            {
                var p = _productFlavourRepository.GetById(id.Value);
                if (p != null)
                {
                    model.Code = p.Code;
                    model.Name = p.Name;
                    model.ProductBrandMasterId = p.ProductBrand.Id;
                    model.Description = p.Description;
                }
                    //model = _masterDataToDtoMapping.Map(p);
                model.MasterId = id.Value;

            }

            if (model.MasterId == Guid.Empty)
                model.MasterId = Guid.NewGuid();
            DropDowns();
            return View(model);
        }
        public ActionResult Edit(ProductFlavourViewModel model)
        {
            try
            {
                //var entity = _dtoToEntityMapping.Map(model);
                var entity = Map(model);

                var vri = _productFlavourRepository.Validate(entity);
                if (vri.IsValid)
                {
                    _productFlavourRepository.Save(entity, true);
                }
                else
                {
                    int i = 1;
                    foreach (ValidationResult error in vri.Results)
                    {
                        TempData["msg"] = string.Format("\n({0}).{1}", i, error.ErrorMessage);
                        ModelState.AddModelError("", error.ErrorMessage);
                        i++;
                    }
                    DropDowns();
                    return View(model);
                }
                TempData["msg"] = "Product Sub Brand added successfully";
                return RedirectToAction("Index");
            }
            catch (Exception ex)
            {
                ModelState.AddModelError("", ex.Message);
                DropDowns();
                return View(model);
            }
        }
        private ProductFlavour Map(ProductFlavourViewModel model)
        {
            var productFlavour= new ProductFlavour(model.MasterId);
            productFlavour.Code = model.Code;
            productFlavour.Name = model.Name;
            productFlavour.Description = model.Description;
            productFlavour.ProductBrand = _productBrandRepository.GetById(model.ProductBrandMasterId);

            return productFlavour;
        }