protected async Task CrtOrUptNotificationChannel()
 {
     if (NotificationId > 0)
     {
         await NotificationChannelService.UpdateAsync(NotificationChannelCrtVM);
     }
     else
     {
         await NotificationChannelService.CreateAsync(NotificationChannelCrtVM);
     }
     navigationManager.NavigateTo("/notificationchannel");
 }