public ActionResult ChangePassword(String currentPassword, String newPassword)
 {
     try
     {
         bool c = authProvider.ChangeUserPassword(User.Identity.Name, currentPassword, newPassword);
         if (c)
         {
             return(View("ChangePasswordSuccess"));
         }
     }
     catch (InvalidOperationException exp) {
         @ViewBag.Message = "<div class=\"alert alert-danger\">Il y a erreur lors du changement de mot de passe</div>";
     }
     @ViewBag.Message = "<div class=\"alert alert-danger\">Il y a erreur lors du changement de mot de passe</div>";
     return(View("ChangePassword"));
 }