$Web_Form_Parm_Len

From m204wiki
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Length of form field


$Web_Form_Len retrieves the length of a field in a form. $Web_Form_Parm_Len is a somewhat more syntactically correct synonym for $Web_Form_Len.

$Web_Form_Len takes two arguments and returns a number, or zero if the field does not exist.

Syntax

%rc = $Web_Form_[Parm_]Len( fieldname, occurrence )

Syntax terms

%rc A numeric variable to contain a return code.
fieldname The name of the form field, returned by $Web_Form_Name. Required argument if occurrence not specified, otherwise optional.
occurrence The occurrence number of a form field, or the occurrence number of the form field matching fieldname, if fieldname is specified. Optional argument if fieldname is specified, otherwise it is required.

See also