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From Wes Rood <wes9...@myfastmail.com>
Subject Re: reusing same form for inserts and updates
Date Tue, 15 Jul 2003 17:26:04 GMT
Woops... after thinking about this more, I realized that I *have* to put 
the primary key in the form somewhere, or I won't know what record to 
update... I'd still like to hear your experiences in this area though... 
Thanks

Wes Rood wrote:

> I've searched the archives for this type of discussion but I'm not 
> really finding what I want.
>
> I'd like to reuse the same jsp form for both inserts and updates of a 
> particular set of data.  My current solution is to come into the 
> action with a flag of "new" or "edit".  If "edit", the action will 
> fetch the existing data into the FormBean by the primary key (int) 
> which is currently in the FormBean, then forward to the input view.  
> If "new", the action will just forward to the input view (thus the 
> primary key is 0)
>
> The input view is the jsp form, which has a hidden property set to the 
> primary key of the FormBean.
>
> The form is then submitted back to this action with a flag of "save", 
> and then it will check for the presence of the primary key (from the 
> hidden field), and do an insert or update based on whether or not it 
> is > 0.
>
> Another variation of this is to set a specific field in the FormBean 
> instead of the primary key, but it is the same idea (still requires 
> handling this field as a hidden field in the form)  Which I found at:
> http://www.reumann.net/do/struts/lessons
>
> I'd really like to clean this up a bit, hopefully by removing the 
> requirement of setting a hidden property in the form.  One idea was to 
> put the new/edit information into the session, but this fails if the 
> user has 2 browser windows open, trying to do a new record in one 
> window and an update in another (since they share the session).  
> Another idea was to attempt an update, and then fail back to an 
> insert, or vice versa.  But that is an extra db hit.
>
> Any suggestions or experiences would be helpful.  Thanks!
>
>
>
>
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