public void DatabaseYenile() { dataGridView1.Rows.Clear(); List <Musteri> musteriler = HelperMusteri.GetList(); foreach (var item in musteriler) { if (!item.AktifMi) { dataGridView1.Rows.Add(item.MusteriId, item.Ad, item.Soyad, item.Tel, item.Adres); } } dataGridView2.Rows.Clear(); List <SiparisModel> siparisModels = HelperSiparis.GetList(); foreach (var item in siparisModels) { if (!item.AktifMi) { dataGridView2.Rows.Add(item.SiparisId, item.Musteri.Ad, item.Musteri.Soyad, item.Durum, item.Musteri.Adres, item.Tutar); } } }