public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } //although unlikely it can collide in parallel sessions //We'll resolve it later, e.g. GUI Product.SequenceNumber = (_context.Product.Count()) + 1; _context.Product.Add(Product); await _context.SaveChangesAsync(); return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync(string id) { if (id == null) { return(NotFound()); } Product = await _context.Product.FindAsync(id); if (Product != null) { _context.Product.Remove(Product); await _context.SaveChangesAsync(); } return(RedirectToPage("./Index")); }
public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(Product).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { } return(RedirectToPage("./Index")); }