public FaturaForm()
{
InitializeComponent();
faturaBilgiServis = InstanceFactory.Get <IFaturaBilgiService>();
musteriServis = InstanceFactory.Get <IMusteriService>();
personelServis = InstanceFactory.Get <IPersonelService>();
faturaDetayServis = InstanceFactory.Get <IFaturaDetayService>();
urunServis = InstanceFactory.Get <IUrunService>();
}