// GET: ProductItem/Edit/5
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var productItem = await _productItemRepository.GetAsync(id.Value);
if (productItem == null)
{
return(NotFound());
}
ViewData["ProductId"] = new SelectList(_productItemRepository.Query(), "ProductId", "Code", productItem.ProductId);
return(View(productItem));
}