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Dennis Allison wrote:
> We frequently use a design pattern which uses a multi-part form on a page.
> The form is populated from a RDBMS. Multiple submit buttons capture the
> function to be performed. The form action routine breaks into a case-like
> if-elif-else statement. Each action (e.g,, 'add', 'edit', 'delete') is
> implemented as a separate block of code. The form uses <POST> to transfer
> parameters (all strings or empty) to the action. The action grabs the
> parameters, performs its function, and then continues in the application
> flow as needed, transferring control using a redirect to the desired URL
> with appended CGI parameter. Frequently the redirect simply return to the
> original form for further modification.
> My problem: In one form for one submit button, the redirect appears to
> fail. The action is performed but the page to which the action redirects
> upon completion is never displayed. Other actions from the same form work
> fine. We have been trying to isolate the problem, but have not been
> successful--everything looks correct, but we still see the one failure.
> Nearly identical code in other parts of the system works fine.
> Any suggestions would be appreciated. Is there somthing subtle and
> unusual about the way Zope 2.11 manages redirects?
Check that the response status is not "locked" by something which
happens before you call 'response.redirect'. Also, you might pass
'lock=True' to that method, in case some other bit of code firing
*afterwards* is overwriting your redirect status.
Tres Seaver +1 540-429-0999 [EMAIL PROTECTED]
Palladion Software "Excellence by Design" http://palladion.com
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