$Web Form Parm Len

<section begin="desc" />Length of form field<section end="desc" />

$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

<section begin="syntax" />%rc = $Web_Form_[Parm_]Len( fieldname, occurrence ) <section end="syntax" />

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

• $Web_Form_Name
• $Web_Form_Parm
• $Web_Num_Form