public static bool AracDuzenle(AracKayitlari ak)
        {
            OleDbCommand cmd = new OleDbCommand("Update Arac Set DaireNo = @s1, Marka = @s2, Model = @s3, TelefonNo = @s4 Where AracPlaka = @s5", BaglantiSinifi.Con);

            cmd.Parameters.AddWithValue("@s1", ak.DaireNo);
            cmd.Parameters.AddWithValue("@s2", ak.Marka);
            cmd.Parameters.AddWithValue("@s3", ak.Model);
            cmd.Parameters.AddWithValue("@s4", ak.TelefonNo);
            cmd.Parameters.AddWithValue("@s5", ak.AracPlaka);
            return(Sorgu(cmd));
        }
        public static bool AracEkle(AracKayitlari ak)
        {
            OleDbCommand cmd = new OleDbCommand("Insert Into Arac values (@s1,@s2,@s3,@s4,@s5)", BaglantiSinifi.Con);

            cmd.Parameters.AddWithValue("@s1", ak.DaireNo);
            cmd.Parameters.AddWithValue("@s2", ak.AracPlaka);
            cmd.Parameters.AddWithValue("@s3", ak.Marka);
            cmd.Parameters.AddWithValue("@s4", ak.Model);
            cmd.Parameters.AddWithValue("@s5", ak.TelefonNo);
            return(Sorgu(cmd));
        }
 public bool GirdiKontrol()
 {
     try
     {
         ak = new AracKayitlari();
         if (tb_plaka.Text != "" && tb_marka.Text != "" && tb_model.Text != "" && cb_DaireNo.Text != "")
         {
             ak.AracPlaka = tb_plaka.Text;
             ak.Marka     = tb_marka.Text;
             ak.Model     = tb_model.Text;
             ak.DaireNo   = Convert.ToInt32(cb_DaireNo.Text);
             ak.TelefonNo = tb_telefonNo.Text;
             return(true);
         }
     }
     catch (Exception exp)
     {
         Console.WriteLine(exp.Message);
     }
     return(false);
 }