/// <summary>
        /// Initializes a new instance of the <see cref="LandingController"/> class.
        /// </summary>
        public LandingController(
            IWebConfigContainer webConfigContainer)
        {
            _webConfigContainer = webConfigContainer ??
                                  throw new ArgumentNullException(nameof(webConfigContainer));

            // initialize this by creating a new/empty instance
            this.LandingPgViewModel = new LandingPgViewModel();
        }
        public ActionResult IndexPost(LandingPgViewModel landingPgViewModel)
        {
            if (!ModelState.IsValid)
            {
                // go back and try again
                //return View( )
            }


            return(View("Error"));
        }