- From: T. V. Raman <tvraman@us.ibm.com>
- Date: Thu, 23 Oct 2003 19:27:22 -0700
- To: ade@benue.com
- Cc: www-forms@w3.org
the use case is well motivated and supported by XForms, see
attribute replace="instance" on element <submission>
You just happened to start the wrong way around by trying to bind
the same UI control to multiple instance odes, which in the
XForms model makes no sense.
>>>>> "ade" == ade <ade@benue.com> writes:
ade> I have a 3-tier web based application that would benefit
ade> from XForms. It basically queries for data from a web
ade> service and allows certain fields in the queried data to
ade> be modified and sent back as an update to the service.
ade>
ade>
ade> The user query yields data from the service via a
ade> particular XML message - ResponseMessage - , the updates
ade> are however dispatched using a similar but different XML
ade> message - UpdateMessage -.
ade>
ade> XForms does not appear to support binding of one UI
ade> control to more than one instance.
ade>
ade> How do I pre-load my form fields from the
ade> ResponseMessage message received from the back-end, and
ade> send user updates through the UpdateMessage message?
ade>
ade> I don't see a way to bind one UI control to a
ade> ResponseMessage instance for pre-load with initial
ade> values, and at the same time bind the same UI control to
ade> an UpdateMessage instance for capturing the user's edits
ade> for dispatch to the back-end.
ade>
ade> Thanks! -- Ade Lucas
ade>
ade> p.s. This is a re-statement of my previous posting.
ade> <br><font size=2 face="sans-serif">I have a 3-tier web
ade> based application that would benefit from XForms. It
ade> basically queries for data from a web service and allows
ade> certain fields in the queried data to be modified and
ade> sent back as an update to the service.</font><font
ade> size=3> <br> </font><font size=2 face="sans-serif"><br>
ade> The user query yields data from the service via a
ade> particular XML message - <b><i>ResponseMessage </i></b>-
ade> , the updates are however dispatched using a similar but
ade> different XML message - <b><i>UpdateMessage </i></b>-.
ade> </font><font size=3><br> </font><font size=2
ade> face="sans-serif"><br> XForms does not appear to support
ade> binding of one UI control to more than one
ade> instance. </font><font size=3><br> </font><font size=2
ade> face="sans-serif"><br> How do I pre-load my form fields
ade> from the <b><i>ResponseMessage </i></b>message received
ade> from the back-end, and send user updates through the
ade> <b><i>UpdateMessage </i></b>message?</font><font size=3>
ade> <br> </font><font size=2 face="sans-serif"><br> I don't
ade> see a way to bind one UI control to a
ade> <b><i>ResponseMessage </i></b>instance for pre-load with
ade> initial values, and at the same time bind the same UI
ade> control to an <b><i>UpdateMessage </i></b>instance
ade> for capturing the user's edits for dispatch to the
ade> back-end.</font><font size=3> <br> </font><font size=2
ade> face="sans-serif"><br> Thanks!</font><font size=3>
ade> </font><font size=2 face="sans-serif"><br> -- Ade
ade> Lucas</font> <br> <br><font size=2
ade> face="sans-serif">p.s. This is a re-statement of my
ade> previous
ade> posting.</font>
--
Best Regards,
--raman
------------------------------------------------------------
T. V. Raman: PhD (Cornell University)
IBM Research: Human Language Technologies
Architect: Conversational And Multimodal WWW Standards
Phone: 1 (408) 927 2608 T-Line 457-2608
Fax: 1 (408) 927 3012 Cell: 1 650 799 5724
Email: tvraman@us.ibm.com
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AIM: TVRaman
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Received on Thursday, 23 October 2003 22:29:09 UTC