Re: Backtracking woes
Re: Backtracking woes
- Subject: Re: Backtracking woes
- From: George Domurot <email@hidden>
- Date: Wed, 15 Sep 2004 22:20:24 -0400
To browse through a list that will allow backtracking and editing, I believe you will need to return a new page with each batch view. My guess is that when you mention the 2nd page, you're actually still referencing the original page, but displaying a 2nd batch of results. Thus, backtracking will not give you the desired results your looking for. Returning a true new page with each batch of results should clear up this issue for you.
On Sep 15, 2004, at 4:33 PM, Benjamin Adair wrote:
Hello all,
I'm getting bit by the whole backtracking thing. I've created a simple web application to allow our webmaster to maintain the users and groups for our web site which authenticates against a MySQL database.
I'm finding pretty much that whenever the user moves forward within the application logic and then backtracks within the browser and attempts to do something else, the application's state doesn't match and I'm having a difficult time thinking of a way (short of setting the backtrack cache to 0 - which doesn't really help so much when the browser doesn't refresh the page in the first place and is so user-unfriendly) to work around things.
A specific example. I have a ivar, resultSetCurrentPage. If the user proceeds to the 2nd page, which increments the ivar, backtracks, and then attempts to edit a user listed on what was the first page.. They'll end up editing the corresponding user from the second page.
I have read through the following chapter on backtracking:
http://developer.apple.com/documentation/WebObjects/Web_Applications/BacktrackingAndCache/chapter_6_section_1.html#//apple_ref/doc/uid/TP30000111
And have played with settings for 'pageRefreshOnBacktrackEnabled' and read through messages from the list that I have saved over the past year and really am not finding much luck.
It is interesting to me that Apple's Webmail application seems to handle this properly.. You can read a message, back track, select a different message to read and it loads properly.
Do I need to reorganize my logic? Is there something more I can do? Any suggestions and help would be greatly appreciated.
TIA
Ben
--
Benjamin Adair
Central Office Database Programmer/Analyst
Cancer & Leukemia Group B
Phone: 773-702-6731
Fax: 312-345-0117
Email: email@hidden
Web: http://www.calgb.org/
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