public ActionResult ChangeRole(string id)
        {
            var model          = new UserRoleViewModel();
            var userRoleHelper = new UserRoleHelper();

            model.Id   = id;
            model.Name = User.Identity.Name;
            var roles     = userRoleHelper.GetAllRoles();
            var userRoles = userRoleHelper.GetUserRoles(id);

            model.Roles = new MultiSelectList(roles, "Name", "Name", userRoles);
            return(View(model));
        }
        public ActionResult ChangeRole(string id)
        {
            var model          = new UserRoleViewModel();
            var userRoleHelper = new UserRoleHelper();

            model.Id   = id;
            model.Name = db.Users.FirstOrDefault(p => p.Id == id).Name;
            var roles     = userRoleHelper.GetAllRoles();
            var userRoles = userRoleHelper.GetUserRoles(id);

            model.Roles = new MultiSelectList(roles, "Name", "Name", userRoles);
            return(View(model));
        }