private void executeGetSpecificationCommand()
 {
     if (Marza <= 1)
     {
         Specification     = _table.GetSpecification(1);
         IsEnabledDataBase = true;
     }
     else if (Marza > 1)
     {
         Specification     = _table.GetSpecification(Marza);
         IsEnabledDataBase = true;
     }
 }