On Apr 22, 2006, at 12:13 AM, Steve Sharman wrote:
Thanks Chuck - that worked fine (and having read up a little more,
I think I even understand why what I was doing didn't work...)
In case you were still wondering... Hyperlinks don't submit the form
so no form data goes to the server. With no form data present, WO
skips the takeValues phase. And even if it didn't, there are no
values to take. :-) The other option to using submit buttons is to
have the hyperlink submit the form. However, with multiple
hyperlinks and one form, WO has no way of knowing which link was
clicked. You might be able to do this by using JavaScript to copy
the link's URL into the form. This might even "just work" with no
further action from you. The other alternative is to use JavaScript
to set a hidden field when the link is clicked and before the form
submitted. Like this, you will have to do some fancy work on page to
translate this field into the equivalent of clicking on the hyperlink.
Chuck
On 22 Apr 2006, at 01:53, Chuck Hill wrote:
The easy solution is to wrap it all in a form and make the
WOHyperlinks submit buttons.
Otherwise, you will need some JavaScript and trickery to get the
form submitted and let WO know which link was clicked.
Chuck
On Apr 21, 2006, at 5:49 PM, Steve Sharman wrote:
Dear All,
I'm having a simple problem which I'm sure I can solve by RTFM -
my problem is that at this point I'm not sure which part of the
FM I should be reading...
I have a simple page that allows users to build up a list of
organisations to be included in a mail-merge file, and then to
carry out a few simple operations - create the merge file, log
the merge being taken place and so on. I am using WOHyperlinks
and associated action methods to carry out the operations - once
the action has been taken, I am returning a null WOComponent in
order to simply return to the same page when the actions are
complete.
This works fine for what I want, but I'm encountering a problem
which I think makes sense, but that doesn't help me! I've
included a couple of simple text boxes on the page and bound them
to String variables. What I want to be able to do is to be able
to pick up the values that the users enter in these boxes, and
use them in the action method called when my WOHyperlink is
called - however doing a good old diagnostic print on them
returns the values as being null. I'm guessing that I have a
problem with binding synchronisation here - like it's not
happening.. (which I'm sure is correct because I'm using a
hyperlink to call a method rather than submitting the page, but
how do I deal with it?).
I'm guessing that the answer here lies somewhere in the
information provided in chapters 6 & 7 of Chuck and Sacha's book
which I'm going to take away and read in a minute - but if
anything can throw me a lifeline whilst I'm away from the Mac
scratching my head and wishing I was cleverer, it would be most
appreciated....
With best regards,
-- Steve
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Coming in late 2006 - an introduction to web applications using
WebObjects and Xcode http://www.global-village.net/wointro
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems. http://www.global-village.net/products/practical_webobjects
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