public ActionResult DisplayUser()   //Action method for display the user details
        {
            IEnumerable <UserAccount> user        = userBl.DisplayUser();
            List <SignUpModel>        displayUser = new List <SignUpModel>();

            foreach (var result in user)
            {
                SignUpModel signUpModel = AutoMapper.Mapper.Map <UserAccount, SignUpModel>(result);  //using auto mapper
                displayUser.Add(signUpModel);
            }
            return(View(displayUser));
        }