Get current item
void setCurrentItem ( number row, number item )
Update current item
Set the currently displayed item in the dropdown. If the null value is displayed (see the controls noblank property), then item zero is the null value; if the null value is not displayed then item zero is the first of the real values.
void setCurrentDisplay ( number row, string text )Update current item
As for setCurrentItem, but the dropdown entry is selected by the textual value displayed. If the dropdown is displaying multiple columns, then only the first column is considered.