long ll_row =  1 
integer colnbr =  0 
string colname
mle_1.Text = ""
DO WHILE ll_row <>  0 
        colnbr++ // Continue searching at next column
        // If there's an error, exit
        IF dw_1.FindRequired(Primary!, &
            ll_row, colnbr, &
            colname, false) <  0  THEN EXIT

        // If a row was found, save the row and column
        IF ll_row <>  0  THEN
            mle_1.Text = mle_1.Text &
                + String(ll_row) + "~t" &
                + colname + "~r~n"
END IF
        // When FindRequired returns  0  (meaning
        // no more rows found), drop out of loop
LOOP