protected void Page_Load(object sender, EventArgs e) { int x = Convert.ToInt32(Request.QueryString["OGRID"]); TxtId.Text = x.ToString(); TxtId.Enabled = false; if (Page.IsPostBack == false) { List <EntityOgrenci> OgrList = BLLOgrenci.BLLLDetay(x); TxtAd.Text = OgrList[0].Ad.ToString(); TxtSoyad.Text = OgrList[0].Soyad.ToString(); TxtNumara.Text = OgrList[0].Numara.ToString(); TxtFoto.Text = OgrList[0].FOTO.ToString(); TxtSifre.Text = OgrList[0].SIFRE.ToString(); } }