protected void gvSatis_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Duzenle")
            {
                guid       = Convert.ToInt32(e.CommandArgument);
                lblId.Text = guid.ToString();
                Satis.Text = "Guncelle";


                //?
                if (guid != 0)
                {
                    bagla(guid, sender, e);
                }
                ModalSatis.Show();
            }
            else if (e.CommandName == "Sil")
            {
                try
                {
                    long  YemeklerId = Convert.ToInt64(e.CommandArgument);
                    Satis Satis      = SatisBLL.SelectWithId(YemeklerId);
                    if (Satis != null)
                    {
                        Satis.SatisAktif = false;
                        SatisBLL.Update(YemeklerId, Satis);
                    }
                    GridDoldur();
                }
                catch (Exception ex)
                {
                }
            }
        }
        private void bagla(long guid, object sender, EventArgs e)
        {
            try
            {
                Satis Satis = SatisBLL.SelectWithId(guid);

                if (Satis != null)
                {
                    if (ddlYemekId != null)
                    {
                        ddlYemekId.SelectedValue = ddlYemekId.ToString();
                    }
                    else
                    {
                        ddlYemekId.SelectedValue = "";
                    }

                    if (Satis.SatisAdet != null)
                    {
                        string gecici = Satis.SatisAdet.ToString();
                        txtSatisAdet.Text = gecici.ToString();
                    }
                    else
                    {
                        txtSatisAdet.Text = "";
                    }

                    if (Satis.SatisTarih != null)
                    {
                        txtSatisTarih.Text = Satis.SatisTarih.Value.ToShortDateString();
                    }
                    else
                    {
                        txtSatisTarih.Text = "";
                    }

                    if (!string.IsNullOrEmpty(Satis.SatisTutar))
                    {
                        txtSatisTutar.Text = Satis.SatisTutar;
                    }
                    else
                    {
                        txtSatisTutar.Text = "";
                    }
                }
            }
            catch (Exception ex)
            {
            }
        }