struts-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Iain Sanderson" <sande...@mc.duke.edu>
Subject Re: HOWTO pre-populate forms with data, then update ?
Date Thu, 23 Jan 2003 20:43:22 GMT
David,

Thanks for your reply. How do you put the info into the form bean?

I use a action called "RegistrationUpdateOpenAction"  to get the data from 
the database and  forward to the view jsp (registrationUpdate.jsp), but I 
don't know how to put that data into the form bean for this  ( the 
underlying form bean would be RegistrationUpdateForm). I'm confused as the 
form bean is created/recycled by Struts on opening the view. How do I get 
premptive access to it? Can I just create it and add it to the request 
scope? Won't struts create another one?

Iain.


Please respond to "Struts Users Mailing List" 
<struts-user@jakarta.apache.org>
To:     struts-user@jakarta.apache.org
cc: 

Subject:        Re: HOWTO pre-populate forms with data, then update ?

Traditionally you do this:
1.  GetMyFormAction determines if it's add or edit from a query string 
attribute.
2.  For edit go get the info from db using the record's id you passed in 
the 
query string.
3.  Put that info into your form bean.
4.  Forward to your form

The form's input elements will be prepopulated with data for the edit 
screen.

David






>From: "Iain Sanderson" <sande010@mc.duke.edu>
>Reply-To: "Struts Users Mailing List" <struts-user@jakarta.apache.org>
>To: struts-user@jakarta.apache.org
>Subject: HOWTO pre-populate forms with data, then update ?
>Date: Thu, 23 Jan 2003 15:20:40 -0500
>
>Newbie question:
>
>I've managed to use Struts forms as a means of  initial data entry (
>registration forms etc) but have got  stuck on how to use a form to 
update
>data that already exists in a database. For example, a form where a user
>can update their user details (address, email etc) and then submit the
>updates. How is this best done in struts ?
>
>I'm sure there's a good way of doing this, but my Kludge so far has been
>to  create a bean in the session scope containing the data I want to
>populate the form with ( eg a user's current address), and then use 
struts
>  html:text  tags to view  the bean data using their "name" and 
"property"
>attributes.   Once the user has submitted their updates, the ActionForm
>accesses the form bean to obtain the updates, and applies the updates to
>the database.   I then of course have to update the  original bean's data
>with the new values ( eg their amended address) and send it back into the
>session scope.  It's a bit of a mess, but it works.
>
>I know there's a better way. Please help. Thanks.
>
>Iain Sanderson
>


_________________________________________________________________
Add photos to your e-mail with MSN 8. Get 2 months FREE*. 
http://join.msn.com/?page=features/featuredemail


--
To unsubscribe, e-mail:   <mailto:struts-user-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:struts-user-help@jakarta.apache.org>





Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message