consulta sql de interfaz c#

¿Privado?DataTable?ExecuteSelectAdapterSql(string?id)

{

string?sql?=?string.Format(@"select?XiaochuanInfo.Titile? from?XiaochuanInfo?where?id={0}", id);

DataTable?dt?=?new?DataTable();

// DataSet?ds?=? new?DataSet();

prueba

{

stringconnectionString?="Escribe la cadena de conexión aquí";

OleDbConnection?conn? =?new?OleDbConnection(connectionString)

cmd. =?conn;

cmd.CommandType=?CommandType.Text;

cmd.CommandText=?sql ;

OleDbDataAdapter?oda=?new?OleDbDataAdapter(sql,?conn);

dt.TableName=?" temp";

oda.Fill( dt);

//oda.Fill(ds);

}

captura (Excepción)

{

//return?null;

}

//return?ds.Tables[0];

return?