// To protect from overposting attacks, enable the specific properties you want to bind to, for // more details, see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } _context.Attach(Category).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!CategoryExists(Category.Id)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }
// To protect from overposting attacks, enable the specific properties you want to bind to, for // more details, see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return(Page()); } foreach (var productcategory in _context.ProductCategories.ToList()) { if (productcategory.ProductID == Product.Id) { _context.Remove(productcategory); } } foreach (var id in ids) { var ProductandCategory = new ProductCategory() { ProductID = Product.Id, CategoryID = id }; _context.ProductCategories.Add(ProductandCategory); } _context.Attach(Product).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!ProductExists(Product.Id)) { return(NotFound()); } else { throw; } } return(RedirectToPage("./Index")); }