public static bool DaireDuzenle(DaireKayitlari dk)
        {
            OleDbCommand cmd = new OleDbCommand("Update Daire Set DaireDurum = @s1, DaireSahibi = @s2, DaireSakini = @s3, Kat = @s4 Where DaireNo = @s5", BaglantiSinifi.Con);

            cmd.Parameters.AddWithValue("@s1", dk.DaireDurum);
            cmd.Parameters.AddWithValue("@s2", dk.DaireSahibi);
            cmd.Parameters.AddWithValue("@s3", dk.DaireSakini);
            cmd.Parameters.AddWithValue("@s4", dk.Kat);
            cmd.Parameters.AddWithValue("@s5", dk.DaireNo);
            return(Sorgu(cmd));
        }
        public static bool DaireEkle(DaireKayitlari dk)
        {
            OleDbCommand cmd = new OleDbCommand("Insert Into Daire values (@s2,@s3,[@s4],[@s5],@s6)", BaglantiSinifi.Con);

            cmd.Parameters.AddWithValue("@s2", dk.DaireNo);
            cmd.Parameters.AddWithValue("@s3", dk.DaireDurum);
            cmd.Parameters.AddWithValue("@s4", dk.DaireSahibi);
            cmd.Parameters.AddWithValue("@s5", dk.DaireSakini);
            cmd.Parameters.AddWithValue("@s6", dk.Kat);
            return(Sorgu(cmd));
        }
		public bool GirdiKontrol()
		{
			try
			{
				dk = new DaireKayitlari();
				if (tb_daireNo.Text != "" && cb_DaireDurum.Text != "" && cb_DaireSahibi.Text != "" && cb_DaireSakini.Text != "")
				{
					dk.DaireNo = Convert.ToInt32(tb_daireNo.Text);
					dk.DaireDurum = cb_DaireDurum.Text;
					dk.DaireSahibi = cb_DaireSahibi.Text;
					dk.DaireSakini = cb_DaireSakini.Text;
					dk.Kat = Convert.ToInt32(nud_kat.Value);
					return true;
				}
			}
			catch (Exception exp)
			{
				Console.WriteLine(exp.Message);
			}
			return false;
		}