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Posted by Jerry Stuckle on 11/30/07 21:18
The Natural Philosopher wrote:
> Jerry Stuckle wrote:
>> jodleren wrote:
>>> Hi all!
>>>
>>> I have a problem - I have a list of checkboxes, with certain data...
>>> the point is, that some of them are set, and the important thing for
>>> mere is to get those values, which have changed from CHECKED to NOT
>>> CHECKED.
>>> Certain values are marked, once done, the user removes the flags, and
>>> I need to know what was set to not being checked anymore (to remove
>>> them from the task list).
>>>
>>> But - I only get the $_POST value, it the item was checked.
>>>
>>> How do I do it the other way?
>>>
>>> Hmmmmm while writing this, I wonder whether I can use isset() -
>>> whether the value is set, but just empty... will check tomorrow.
>>>
>>> WBR
>>> Sonnich
>>>
>>
>> HTML only sends checkboxes which are checked. One way to do it is to
>> keep track of which boxes are checked (or all boxes with their
>> previous status) in hidden fields.
>>
>
> Mmm. I tend to resort to javascript at this point, set up an array of
> hidden variables, and every time a checkbox is ticked or unticked, use
> the 'onchange=' event handler to set the hidden variables up correctly.
> THEY all get sent in the post variable..
>
>
I don't require users to have javascript enabled. Rather, I allow
additional features if they do have it enabled.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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