tedd wrote:
How do I assure that only one color is ranked at any one value?
I hope my question makes sense. Any help will be appreciated.
Thanks in advance.
HiFi Tubes
HiFi:
I understand your problem, you don't want the user to pick a color such
that it ranks the same as another color (i.e., only one gets a
number-one ranking, only one gets a number-two ranking and so on).
In php you can detect what the user picked AFTER they submit the form
(click submit) and then redirect them back with an explanation "Hey, you
made a mistake -- this is what you are supposed to do." And then, hope
they do it right next time. However, that's against normal (or at least
my) GUI.
IMO, what you need to do is client-side checking, namely javascript. You
need to have a routine that checks what the user selects as the user
selects it -- this can't be done in php -- it can only be done server-side.
I give you a hint, you should investigate:
<input TYPE="radio" NAME="button" onClick="<whatever>"></td>
The routine should simply un-check a previously checked button.
HTH's
tedd
Huh? Maybe I'm just not awake this morning and not understanding what
you're trying to explain, but if you're using *radio* buttons, only
*one* of the same name can be checked at any give time. ie:
<input type="radio" name="color" value="1" /> Blue
<input type="radio" name="color" value="2" /> Red
<input type="radio" name="color" value="3" /> Black
<input type="radio" name="color" value="4" /> Green
<input type="radio" name="color" value="5" /> Mauve
If you click "Red" and "Blue" is already selected, "Blue" will
automatically be unselected. It's basic HTML.
--
John C. Nichel IV
Programmer/System Admin (ÜberGeek)
Dot Com Holdings of Buffalo
716.856.9675
jnichel@xxxxxxxxxxxxxxxxxxxxxxxxxxx
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