怎么置下拉列表框的默认值
有一c_year下拉列表框，用以下方法定源。
thisform.c_year.rowsourcetype=3
thisform.c_year.rowsource= "select c_year from c_date into cursor cYear order by c_year desc "
想把其中的某一年默值，如1980，怎做呢？

[解决办法]
thisform.c_year.displayvalue= '1980 '
thisform.c_year.value= '1980 '