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Re: multi-page form [message #174688 is a reply to message #174685]

Mon, 27 June 2011 22:54

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 6/27/2011 6:01 PM, William Gill wrote:
> On 6/27/2011 5:32 PM, Jerry Stuckle wrote:
>> On 6/27/2011 12:40 PM, William Gill wrote:
>>> I am working on a form that will traverse many pages (lots of context
>>> and a few inputs on each page). My concern is the user navigating back
>>> and forth between pages w/o losing data (i.e. via the back button).
>>>
>>> As far as I can tell, I need to integrate ECMA script, XMLHttpRequest,
>>> and session variables, triggered by the onLoad and onUnload events.
>>>
>>> Are there any other approaches that I should look into?
>>
>> What are you trying to do? Keep the user from going back a page? If they
>> do, the client may not even request the page from the server - just
>> serve it from the client cache.
>>
>> Do you want to prevent the user from going back a page? Force the page
>> to be reloaded if they do go back? What's your goal?
>>
> No I wouldn't prevent them from going back and forth even if I could.
>
> There are as few as 4 or 5 fields on some pages, but they may need/want
> to back up to see their earlier input.
>
> All I want is to prevent them from completing some fields; then backing
> up and losing their input.
>
> I'm thinking of creating an XMLHttpRequest object and using it to update
> session variables if a user backs up (triggered by the ONUNLOAD
> event),and then repopulating the fields when he/she returns (ONLOAD).
>
> Haven't done it in a while, and wanted to know if this is the best
> approach.
>

From the PHP end, it's not that hard. When they enter data, place it
in the $_SESSION array. When you display a page, check to see if the
entries have already been saved in the $_SESSION array. If they have,
display the previously entered values. If not, display an empty field
or other default value.

If you want to use AJAX or other javascript code, you're asking in the
wrong newsgroup.

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		multi-page form By: William Gill on Mon, 27 June 2011 16:40
		Re: multi-page form By: me on Mon, 27 June 2011 17:31
		Re: multi-page form By: William Gill on Mon, 27 June 2011 17:41
		Re: multi-page form By: me on Mon, 27 June 2011 18:24
		Re: multi-page form By: Jerry Stuckle on Mon, 27 June 2011 21:32
		Re: multi-page form By: William Gill on Mon, 27 June 2011 22:01
		Re: multi-page form By: me on Mon, 27 June 2011 22:18
		Re: multi-page form By: Graham Hobbs on Wed, 06 July 2011 00:06
		Re: multi-page form By: Jerry Stuckle on Mon, 27 June 2011 22:54
		Re: multi-page form By: William Gill on Tue, 28 June 2011 08:22
		Re: multi-page form By: Jerry Stuckle on Tue, 28 June 2011 10:53
		Re: multi-page form By: William Gill on Tue, 28 June 2011 16:13
		Re: multi-page form By: me on Tue, 28 June 2011 18:00
		Re: multi-page form By: Jerry Stuckle on Tue, 28 June 2011 19:02
		Re: multi-page form By: me on Tue, 28 June 2011 19:06
		Re: multi-page form By: me on Tue, 28 June 2011 19:46
		Re: multi-page form By: William Gill on Tue, 28 June 2011 20:05
		Re: multi-page form By: me on Tue, 28 June 2011 20:12
		Re: multi-page form By: me on Tue, 28 June 2011 20:20
		Re: multi-page form By: Jerry Stuckle on Tue, 28 June 2011 22:58
		Re: multi-page form By: Jeff North on Tue, 28 June 2011 23:30
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 00:21
		Re: multi-page form By: Jeff North on Wed, 29 June 2011 04:52
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 11:59
		Re: multi-page form By: me on Wed, 29 June 2011 12:09
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 12:41
		Re: multi-page form By: me on Wed, 29 June 2011 12:48
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 15:08
		Re: multi-page form By: me on Wed, 29 June 2011 16:27
		Re: multi-page form By: Jeff North on Wed, 29 June 2011 13:10
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 15:09
		Re: multi-page form By: Michael Fesser on Wed, 29 June 2011 16:56
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 19:32
		Re: multi-page form By: Peter H. Coffin on Tue, 28 June 2011 18:57
		Re: multi-page form By: Jeff North on Tue, 28 June 2011 22:46
		Re: multi-page form By: William Gill on Tue, 28 June 2011 23:29
		Re: multi-page form By: Jeff North on Wed, 29 June 2011 05:15
		Re: multi-page form By: Jerry Stuckle on Wed, 29 June 2011 12:01
		Re: multi-page form By: Michael Fesser on Wed, 29 June 2011 17:00
		Re: multi-page form By: Michael Fesser on Wed, 29 June 2011 17:05
		Re: multi-page form By: William Gill on Wed, 29 June 2011 17:44

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