public ServiceBehaviorAttribute ()
{
AutomaticSessionShutdown = true;
ConcurrencyMode = ConcurrencyMode.Single;
InstanceContextMode = InstanceContextMode.PerSession;
MaxItemsInObjectGraph = 0x10000;
SessionMode = SessionMode.Allowed;
ReleaseServiceInstanceOnTransactionComplete = true;
TransactionIsolationLevel = IsolationLevel.Unspecified;
UseSynchronizationContext = true;
ValidateMustUnderstand = true;
}