How to pass checkboxes with values?

Forum|Forum|20 years ago
April 18, 2006
3 replies
871 views

I'm dynamically generating a list of items (say, vegetables), each with a numeric ID, and each with a checkbox. The user selects the vegetables he wants, and clicks the submit button. From the selected vegetable ID's, I want to do an insert into another table (say, customer orders.) I can't find any clear examples of how to do this. The form can submit to another .cfm page or self-submit, doesn't matter to me. Also, Flash forms are not allowed on my site.
Help, please! Thanks.

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Correct answer ColdConFused

Thanks. The result page now does <cfif isDefined("FORM.vegetableID")> before processing, otherwise it shows "You have not selected any vegetables."

D

Dan_Bracuk

Inspiring

That's as good as any code I would have written.

By the way, did you make sure at least one vegetable was selected first? Prevent more crashes that way.

C

ColdConFusedAuthorCorrect answer

Inspiring

Thanks. The result page now does <cfif isDefined("FORM.vegetableID")> before processing, otherwise it shows "You have not selected any vegetables."

C

ColdConFusedAuthor

Inspiring

Thanks! I suppose I'm halfway there now, but one more thing: How do I spin through the list of id's in my results/action page?

D

Dan_Bracuk

Inspiring

<cfloop> comes to mind. The cfml reference manual shows you how to loop through a list. If you don't have one, the internet does.

C

ColdConFusedAuthor

Inspiring

Sorry, I guess I should provide a little more info about my level of CF experience.

I've got a fairly good grasp of the basics, and I suspected cfloop would probably be involved, but the real question is what sort of structure will contain those values once the form is submitted, and what will execute within the cfloop to get each value? how is the structure indexed? etc.

D

Dan_Bracuk

Inspiring

For your form, do something like this:
<cfoutput query="vegetables">
<input type="checkbox" name = "vegetable" value="#vegetable_id#">#vegetable_name#

In your results page, form.vegetable will either be undefined (if nothing was checked), or a list of the id's you want.

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