Release 10.1A: OpenEdge Development:
ADM Reference

> ## widgetIsBlank

> Returns TRUE if the widget is blank, otherwise FALSE. If the namelist contains more than one object, then the function returns TRUE if all of them are blank, otherwise FALSE.

> Location: visual.p

> Parameters:

> `INPUT namelist AS CHARACTER`

> The name of one or more objects, separated by commas.

> Returns: LOGICAL

> Notes: None

> Examples:

> The following illustrates the use of this method in 4GL code for use with a graphical user interface:

>     IF widgetIsBlank("terms":U) THEN disableWidget("discount":U).

> The following illustrates the use of this method in DHTML code for use with a Web browser:

>     if (logic.widgetIsBlank(‘orderviewv.terms’))
>       logic.disableWidget(‘customerviewv.discount’);

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