public JsonResult Login(LoginModel login)
        {
            _securityDataProvider = new SecurityDataProvider();
            ServiceResponse response = _securityDataProvider.CheckLogin(login, false);
            if (response.IsSuccess)
            {
                if (login.IsRemember)
                {
                    FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1,
                                                                                     login.Email,
                                                                                     DateTime.Now,
                                                                                     DateTime.Now.AddMinutes(
                                                                                         ConfigSettings
                                                                                             .RememberMeDuration),
                                                                                     true,
                                                                                     login.Email,
                                                                                     FormsAuthentication.FormsCookiePath);

                    // Encrypt the ticket.
                    string encTicket = FormsAuthentication.Encrypt(ticket);
                    // Create the cookie.
                    HttpCookie httpCookie = new HttpCookie(FormsAuthentication.FormsCookieName,
                                                           encTicket)
                    {
                        Expires = ticket.Expiration
                    };
                    Response.Cookies.Add(httpCookie);
                }
                else
                {
                    FormsAuthentication.SetAuthCookie(login.Email, false);
                }
                SessionValueData sessionValue = (SessionValueData)response.Data;

                SessionHelper.UserID = sessionValue.UserID;
                SessionHelper.Name = sessionValue.Name;
                SessionHelper.FirstName = sessionValue.FirstName;
                SessionHelper.Roles = sessionValue.Roles;
                SessionHelper.SelectedRole = sessionValue.SelectedRole;
            }
            return Json(response);
        }