public RegisterModel(
            UserManager <IdentityUser> userManager,
            SignInManager <IdentityUser> signInManager,
            ILogger <RegisterModel> logger,
            IEmailSender emailSender,
            Tech_Question_and_answer_IdentitylContext _context,
            Tech_Question_and_answer_DataContext _dataContext

            )
        {
            dataContext    = _dataContext;
            _userManager   = userManager;
            _signInManager = signInManager;
            _logger        = logger;
            _emailSender   = emailSender;
            var roleStore = new RoleStore <IdentityRole>(_context);

            _roleManager = new RoleManager <IdentityRole>(roleStore, null, null, null, null);
        }
 public AnswersController(Tech_Question_and_answer_DataContext context)
 {
     _context = context;
 }