protected void barkod_TextChanged(object sender, EventArgs e)
        {
            //(e.Row.FindControl("btnServis") as LinkButton).PostBackUrl = "~/TeknikTeknik/Servis.aspx?servisid=" + DataBinder.Eval(e.Row.DataItem, "serviceID") + "&custid=" + DataBinder.Eval(e.Row.DataItem, "custID") + "&kimlik=" + DataBinder.Eval(e.Row.DataItem, "kimlikNo");
            if (!String.IsNullOrEmpty(barkod.Text))
            {
                string bar = barkod.Text;
                using (radiusEntities dc = MyContext.Context(KullaniciIslem.firma()))
                {
                    ServisIslemleri s = new ServisIslemleri(dc);

                    ServisDAL.Repo.ServisRepo servis = s.servisAraBarkod(bar);
                    if (servis != null)
                    {
                        string path = "~/TeknikTeknik/Servis.aspx?servisid=" + servis.serviceID + "&custid=" + servis.custID + "&kimlik=" + bar;
                        Response.Redirect(path);
                    }
                }
            }
        }