DevExpress GridLookUp DataBind

var dbPath = Application.StartupPath + @"\Kantar.mdb";
            var con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + dbPath);
            // Create a data adapter.
            var da = new OleDbDataAdapter("SELECT Id,Yer,Km FROM TestFirmaYer where FirmaId=" + p, con);
            // Create and fill a dataset.
            var ds = new DataSet();
            da.Fill(ds, "TestFirmaYer");


            lookUpEditGidecegiYer.Properties.DataSource = ds.Tables[0]; //q.ToList();
            lookUpEditGidecegiYer.Properties.ValueMember = "Id";
            lookUpEditGidecegiYer.Properties.DisplayMember = "Yer";
            lookUpEditGidecegiYer.Properties.NullText = @"<Lütfen Yer Seçiniz>";

            lookUpEditGidecegiYer.Properties.BestFitMode = BestFitMode.BestFitResizePopup;
            lookUpEditGidecegiYer.Properties.SearchMode = SearchMode.AutoComplete;
            lookUpEditGidecegiYer.Properties.AutoSearchColumnIndex = 1;