public async Task <IActionResult> OnGetAsync(int?id) { ViewData["CategoryID"] = new SelectList(_context.Set <Category>(), "ID", "Name"); if (id == null) { return(NotFound()); } Product = await _context.Product .Include(s => s.Category) .FirstOrDefaultAsync(m => m.ID == id); if (Product == null) { return(NotFound()); } return(Page()); }
public IActionResult OnGet() { ViewData["CategoryID"] = new SelectList(_context.Set <Category>(), "ID", "Name"); return(Page()); }