[Zope] Value of a Session Variable

[Dennis Allison]

Read the manual about Sessions (2_6 Edition) and be sure you are following
the API for accessing them (see Transcience Interface in the API
Appendix).  Your code must be careful to maintain persistence.

On Thu, 2 Sep 2004, Asad Habib wrote:

> I have a variable which I have placed in the SESSION attribute of the
> REQUEST object. This variable is being initialized to a value of None by a
> DTML method. If an error occurs after a form is submitted, the value of
> this variable is set to the type of error that occurs. In the event that
> an error does occur, the user is redirected to an error page. From the
> error page, the user has the opportunity to return to the form via a
> hyperlink. I need to use the value of this variable in this form but
> it exists sometimes and other times it doesn't. The suprising part is that
> it always exists on the error page. Simply by clicking on the link on the
> error page, the value of this variable is sometimes lost. I am using
> Safari as my browser. Has anyone else experienced the same problem? Any
> help would be greatly appreciated. Thanks.
> 
> - Asad
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