public string delFromQueue(int driverId)
 {
     QueueController queueController = new QueueController();
     DriverWorkModel dwm = queueController.GetDriverWorkModelById(driverId);
     if (queueController.HasSuchDriver(dwm))
     {
         queueController.DeleteFomQueue(dwm);
         Groups.Remove(dwm.SignalR_id, "Drivers");
         return "Driver with id:"+dwm.Driver.Id+" and Name:"+ dwm.Driver.Name + " deleted from queue!Queue size:" + queueController.GetConunt();
     }
     return "No such driver in queue";
 }