public ActionResult DeleteUser2(RolesWithUserModels model)
        {
            try
            {
                Roles.RemoveUserFromRole(model.UserName, model.RoleName);

                return RedirectToAction("Index");
            }
            catch
            {
                return RedirectToAction("DeleteUser",model);
            }
        }
 public ActionResult DeleteUser(RolesWithUserModels model)
 {
     return View(model);
 }