Re: Struts, checkbox and optionally displaytag

2004-08-10 Thread lixin chu
thanks !
--- Koon Yue Lam <[EMAIL PROTECTED]> wrote:

> Hi !
> 
> From your question, I guess that you need a multiple
> of checkboxes, so
> you need  instead of 
> 
> for your reference:
>
http://struts.apache.org/userGuide/struts-html.html#multibox
> 
> and a wonderful example:
> http://j2ee.lagnada.com/struts/multibox-example1.htm
> 
> you would need an action form, which contains 2
> arrays (normally they
> would be String array)
> eg. an Action form called FrmMultiBox with
> properties :
> String [] options; String[] selected;
> 
> options[] is holding the "options" of the checkboxes
> that user going to select
> selected[] would be populated by Struts after form
> submission, value
> of selected[] is the value of "checked" checkboxes.
> 
> so if options = new String {"1", "2", "3"} (you can
> made them final or
> load the values from another Action dynamically from
> somewhere else)
> 
> in your JSP:
> 
>  property="options">
> property="selected">
>   name="_bean"/>
>
>
> 
> 
> if user check "1" and "3" then selected[] would
> contains "1" and "3"
> (Thanks Struts !)
> 
> and don't forget the formal getter and setter method
> of your Action form
> 
> Hope this help
> 
> Regards
> 
>
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> To unsubscribe, e-mail:
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> 





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Re: Struts, checkbox and optionally displaytag

2004-08-08 Thread Koon Yue Lam
Hi !

>From your question, I guess that you need a multiple of checkboxes, so
you need  instead of 

for your reference:
http://struts.apache.org/userGuide/struts-html.html#multibox

and a wonderful example:
http://j2ee.lagnada.com/struts/multibox-example1.htm

you would need an action form, which contains 2 arrays (normally they
would be String array)
eg. an Action form called FrmMultiBox with properties :
String [] options; String[] selected;

options[] is holding the "options" of the checkboxes that user going to select
selected[] would be populated by Struts after form submission, value
of selected[] is the value of "checked" checkboxes.

so if options = new String {"1", "2", "3"} (you can made them final or
load the values from another Action dynamically from somewhere else)

in your JSP:


   
 
   
   


if user check "1" and "3" then selected[] would contains "1" and "3"
(Thanks Struts !)

and don't forget the formal getter and setter method of your Action form

Hope this help

Regards

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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]



Struts, checkbox and optionally displaytag

2004-08-07 Thread lixin chu
hi,
guess many questions were raised on this but could not
find detail enough sample code.

i am looking for sample code demostrating the support
of checkbox in Struts ActionForm, Action and JSP
files. I am using displaytag (really good!) to
generate the table with a column of checkboxes. how do
i know which boxes are selected in MyAction ?

many thanks
lixin

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