public ActionResult ApproveUser(string guid)
        {
            if (SessionVariables.User != null)
            {
                return(RedirectToAction("Index", "Home"));
            }

            ResponseModel result = new ResponseModel();

            result = _regM.ApproveUserMailGuid(guid);

            if (result.IsSuccess)
            {
                return(RedirectToAction("Index", "Home"));
            }
            else
            {
                return(RedirectToErrorPage(result));
            }
        }