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From Ivelin Ivanov <ive...@apache.org>
Subject Re: DataBinding with XMLForm
Date Fri, 14 Jun 2002 03:12:34 GMT

Mohamed,

Mohamed El-Refaey wrote:
>  
> Hi all,
>  
> I'm very interested in the cocoon XMLForm and, but I'd like to ask a 
> question:
> is it possible to repeate XMLForm dynamically according to data from 
> Database ?and HOW I can make data binding of this retrived data with 
> each repeated form instance.?
>  
> for Example :
> I have products from the DB and I wanna to display these products in 
> XMLForms to update their quantity in it
>  
> ----------------------------------------------------------------------------------------------------------------------
> Product1
> ID :12236
> Name 
> :p1                                                                          
>         ----------------------
> Description: any description.    quantity(Text Box) 
> -------------------     Update Button
>                                                                          
> -------------------    ----------------------
> -----------------------------------------------------------------------------------------------------------
> -----------------------------------------------------------------------------------------------------------------------
> Product2
> ID :12256
> Name 
> :p2                                                                        
>          ----------------------
> Description: any description.    quantity(Text Box) 
> -------------------     Update Button
>                                                                         -------------------
   
> ----------------------
> -----------------------------------------------------------------------------------------------------------------------
> -----------------------------------------------------------------------------------------------------------------------
> Product3
> ID :12776
> Name 
> :p3                                                                                 
> ----------------------
> Description: any description.    quantity(Text Box) 
> -------------------     Update Button
>                                                                         -------------------
   
> ----------------------
> -----------------------------------------------------------------------------------------------------------------------
>  
> or it is better  to make all these data as container Bean that contain 
> products beans and this container is binded with only one Big form 
> instance to process it instead of one form instance for each product. ?


In my experience, this approach is preferable. Scales better and allows 
strict control over transaction boundaries, caching, etc.

You can use either beans or DOM, depending on how much logic is involved 
  in the data processing.


Ivelin

>  
> any help ?
> Thanx in advance
> Mohamed



-- 

-= Ivelin =-


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