public void OdaButonlariniOlustur()
        {
            List <Oda> odalar = odaController.GetAll();

            for (int i = 1; i <= Math.Ceiling((decimal)odaController.GetRoomCount() / 10); i++)
            {
                for (int n = 1; n <= 10; n++)
                {
                    sayac++;
                    btn          = new Button();
                    btn.Location = new Point(n * 100 - 100, i * 62 - 10);
                    //btn.Location = new Point(i * 100 - 100, n * 40 - 20);
                    btn.Height = 40;
                    btn.Width  = 100;
                    btn.Tag    = sayac.ToString();
                    btn.Text   = btn.Tag.ToString();
                    btn.Click += new EventHandler(RezeravsyonClicki);
                    groupBox1.Controls.Add(btn);
                    if (odaController.GetRoomCount() == sayac)
                    {
                        return;
                    }
                }
            }
        }