public string CreateSession(string spId, string serviceVariantId, string password)
 {
     if (_authentication == null)
     {
         _authentication = new AuthenticationService.AuthenticationClient();
         _activeSession  = _authentication.createSession(spId, serviceVariantId, password);
     }
     _activeSession = _authentication.createSession(spId, serviceVariantId, password);
     return(_activeSession);
 }
 public string CreateSession(string spId, string serviceVariantId, string password)
 {
     if (_authentication == null)
     {
         _authentication = new AuthenticationService.AuthenticationClient();
         _activeSession = _authentication.createSession(spId, serviceVariantId, password);
     }
     _activeSession = _authentication.createSession(spId,serviceVariantId,password);
     return _activeSession;
 }