Пример #1
0
        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"));
        }
Пример #2
0
        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"));
        }
Пример #3
0
        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"));
        }