void CommandAddActorExecute()
{
bool exist = false;
foreach (MovieNET.Actor actor in ListActor)
{
if (actor.Firstname == ActorFirstname && actor.Lastname == actorLastname)
{
exist = true;
}
}
if (exist == false)
{
serviceClient.CreateActor(ActorFirstname, ActorLastname);
}
ListActor = serviceClient.SelectAllActor();
ActorFirstname = "";
ActorLastname = "";
}