ASP.NET ACCESS - DISTINCT KULLANIMI

OleDbConnection con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath(@"App_Data\IsTakip.mdb") + ";Persist Security Info=True");

con.Open(); 

OleDbDataAdapter adp = new OleDbDataAdapter("SELECT DISTINCT ID,DURUM FROM TBL_ISLER",con);

DataTable dt = new DataTable();
adp.Fill(dt);

DL_ISLER.DataSource = dt;
DL_ISLER.DataBind(); 

con.Close();