public WorkshopWebService()
 {
     ReadingData   = new ReadingData(UserConnection ?? SystemUserConnection);
     UpdatingData  = new UpdatingData(UserConnection ?? SystemUserConnection);
     InsertingData = new InsertingData(UserConnection ?? SystemUserConnection);
     DeletingData  = new DeletingData(UserConnection ?? SystemUserConnection);
     Timer         = new Stopwatch();
 }
        public string InsertSeveralContacts(QuryType qt)
        {
            // http://localhost:6090/0/rest/WorkshopWebService/InsertSeveralContacts?qt=1
            Timer.Start();
            string result = string.Empty;

            switch (qt)
            {
            case QuryType.INSERT:
                result = InsertingData.InsertSeveralContacts();
                break;

            case QuryType.ESQ:
                result = InsertingData.InsertSeveralContactsEsq();
                break;

            default:
                result = InsertingData.InsertSeveralContacts();
                break;
            }
            Timer.Stop();

            return(result);
        }