private void gezginGetir()
{
string itemCode = TXTCode.Text;
// //GridGezgin.Visible = true;
CrossGeneralManager crossGeneralManager = new CrossGeneralManager();
gridData = crossGeneralManager.SearchCrossB2B(itemCode);
GridItems.DataSource = gridData;
var markalar = gridData.GroupBy(x => x.Marka).Select(x => x.Key).OrderBy(x => x).ToList();
CMBMarka.Items.Add("Tümü");
CMBMarka.Items.AddRange(markalar.ToArray());
this.Text = "Kayıt Sayısı :" + GridItems.Rows.Count;
}
