public async Task <IActionResult> Signup([Bind("Id,Name,Email,Password,UniversityName,UniversityMajor,GraduationYear,Phone,LinkedInAccount,Address")] Op_Candidates op_Candidates)
        {
            if (ModelState.IsValid)
            {
                _context.Add(op_Candidates);
                await _context.SaveChangesAsync();

                return(RedirectToAction("Login"));
            }
            return(View(op_Candidates));
        }