// GET: Admin/ProductItem/Edit/5
public async Task <ActionResult> Edit(int?itemId, int?productId)
{
if (itemId == null || productId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
ProductItem productItem = await GetProductItem(itemId, productId);
if (productItem == null)
{
return(HttpNotFound());
}
return(View(await productItem.ConvertAsync(db)));
}