Release 10.1A: OpenEdge Development:
Progress 4GL Reference

LOOKUP( ) method

Returns the index of the specified item in a combo-box list or selection list.

Return type: INTEGER

Applies to: COMBO-BOX widget, SELECTION-LIST widget

Syntax

LOOKUP ( list-string )

list-string

A character-string expression that specifies a single value in the combo box or selection list.

If list-string has the Unknown value (?), LOOKUP returns the Unknown value (?). If list-string is not in the list, LOOKUP returns 0.