// POST api/ProductCategory
        public HttpResponseMessage PostProductCategory(ProductCategory productcategory)
        {
            if (ModelState.IsValid)
            {
                repository.PostProductCategory(productcategory);

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, productcategory);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = productcategory.Id }));
                return response;
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }
 public void RemoveProductCategories(ProductCategory product)
 {
     db.ProductCategories.Remove(product);
 }
 public void PutProductCategory(int id, ProductCategory productcategory)
 {
     db.Entry(productcategory).State = EntityState.Modified;
     Save();
 }
 public void PostProductCategory(ProductCategory productcategory)
 {
     db.ProductCategories.Add(productcategory);
     db.SaveChanges();
 }
        // PUT api/ProductCategory/5
        public HttpResponseMessage PutProductCategory(int id, ProductCategory productcategory)
        {
            if (ModelState.IsValid && id == productcategory.Id)
            {

                try
                {
                    repository.PutProductCategory(id, productcategory);
                }
                catch (DbUpdateConcurrencyException)
                {
                    return Request.CreateResponse(HttpStatusCode.NotFound);
                }

                return Request.CreateResponse(HttpStatusCode.OK);
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }