public async Task <IActionResult> PutAddress(int id, Address address) { if (id != address.addressId) { return(BadRequest()); } _context.Entry(address).State = EntityState.Modified; if (_context.Find <Student>(address.studentId) == null) { return(BadRequest()); } try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException) { if (!AddressExists(id)) { return(NotFound()); } else { throw; } } return(NoContent()); }