$Web_Sel_Check

Check string against a global select element

$Web_Sel_Check validates that a string matches one of the options of a global select element. An overview of the $Web_Sel* functions is provided in $Web_Selp.

Syntax

%rc = $Web_Sel_Check(global_name, selected_value, option_keywords)

Syntax terms

%rc	a numeric result code; for some types of errors, the current User Language request is cancelled.
global_name	The name of the global select element containing the values to check against. The global select element with this name must have been created by $Web_Save_Sel. This is a required argument.
selected_value	A string which is checked to see if it is equal to one of the values in the options list. This a required argument.
option_keywords	A string of blank-separated keywords specifying special processing for this $function. Any of the following is valid: CANCHECK Cancel request if selected_value not found in select options list NOCAN Don't cancel request if global select element global_name not found This an optional argument.

$Web_Sel_Check return codes

Code	Meaning
0	Selected_value equal to one of the values in global select element global_name.
1	Global_name not a saved global select element, and NOCAN option specified.
2	Selected_value not equal to any of the values in global select element global_name, and CANCHECK option not specified.
	Any other error results in cancellation of the User Language request.

Examples

1. The following statement will cancel the User Language request if the string DAY6 is not one of the values of the global select element DAYS.ESPERANTO:

   %rc = $Web_Sel_Check('DAYS.ESPERANTO', 'DN6', 'CANCHECK')

2. See $Web_Selp for an extended example using other $WEB_SELx functions.