public void Delete(int model)
 {
     using (var rep = new ProdCategoryRepository())
        {
        var dev = rep.GetById(model);
        rep.Delete(dev);
        }
 }
        public void Update(ProdCategoryView modelView)
        {
            using (var rep = new ProdCategoryRepository())
               {
               var dev = rep.GetById(modelView.CategoryId);

               if (dev != null)
               {

                   dev.CategoryName = modelView.CategoryName;

                   rep.Update(dev);
               }
               }
        }