public void InsertOrUpdate(Product product)
{
if (product.ProductId == default(int)) {
// New entity
context.Products.Add(product);
} else {
// Existing entity
context.Entry(product).State = EntityState.Modified;
}
}
public ActionResult Create(Product product)
{
if (ModelState.IsValid) {
productRepository.InsertOrUpdate(product);
productRepository.Save();
return RedirectToAction("Index");
} else {
ViewBag.PossibleCategories = GetCategories();
return View();
}
}