// To protect from overposting attacks, please enable the specific properties you want to bind to, for // more details see https://aka.ms/RazorPagesCRUD. public async Task <IActionResult> OnPostAsync() { if (!this.ModelState.IsValid) { return(Page()); } _context.Attach(this.Parcel).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!ParcelExists(this.Parcel.ID)) { return(NotFound()); } throw; } return(RedirectToPage("./Index")); }