public Libro[] GetClassificaGenere(string genereString)
 {
     Libro[] libri = null;
     try
     {
         BasicHttpBinding myBinding = new BasicHttpBinding();
         myBinding.MaxReceivedMessageSize = 2147483647;
         myBinding.MaxBufferSize          = 2147483647;
         EndpointAddress          myEndpoint       = new EndpointAddress(_addr);
         ChannelFactory <IUtente> myChannelFactory = new ChannelFactory <IUtente>(myBinding, myEndpoint);
         // Create a channel.
         IUtente client = myChannelFactory.CreateChannel();
         libri = client.GetClassificaGenere(genereString);
         ((IClientChannel)client).Close();
     }
     catch (Exception)
     {
         //doNothing
     }
     return(libri);
 }