public int AddProduct(ProductViewModel viewModel)
{
Product product = new Product();
viewModel.CopyToProduct(product);
context.Products.AddObject(product);
context.SaveChanges();
return product.ProductID;
}
public void UpdateProduct(ProductViewModel viewModel)
{
Product product = GetProductByID(viewModel.ProductID);
viewModel.CopyToProduct(product);
context.SaveChanges();
}