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Radio Buttons

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Radio Buttons Here is a place to talk and ask questions about HTML, CSS, Javascript, and other client side technologies.

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  #1  
Old February 11th, 2004, 09:31 AM
Desertsnowman Desertsnowman is offline
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Radio Buttons
hi - Ok - heres my problem.

Ive got a nonform modalDialog with radio buttons.

I want to get the value in a string with the selected radio button.

the code i tried just give out the first radio value and not the selected value.

please help !
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  #2  
Old February 11th, 2004, 09:36 AM
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Nicky Nicky is offline
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RE: Radio Buttons
Why a nonform?

Could you post your code please.
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Old February 11th, 2004, 09:48 AM
Desertsnowman Desertsnowman is offline
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RE: Radio Buttons
Code:
function GetSelected(){

radioSel = document.getElementById('Align').value;
alert(radioSel);

}

    <input id="Align" type="radio" value="left" onClick="GetSelected()"> 
    <input id="Align" type="radio" value="right" onClick="GetSelected()"> 
    <input id="Align" type="radio" value="center" onClick="GetSelected()">


I want the code to alert() the value of the radio selected without submitting.
is it even possable ?

Thanks
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Old February 11th, 2004, 09:53 AM
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RE: Radio Buttons
I don't know why it's not working. Not my area. But if you are using an OnClick - why don't you just pass in a value?
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Old February 11th, 2004, 09:58 AM
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RE: Radio Buttons
Try changing ID to be NAME - see if it helps
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Old February 11th, 2004, 10:02 AM
Desertsnowman Desertsnowman is offline
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RE: Radio Buttons
i tried name - and id together. still no good.

the only option i can think of is using a array indexing, therefore
counting how many radio buttins i have and go through them until i find the checked = true..
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Old February 11th, 2004, 10:08 AM
nawlej nawlej is offline
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RE: Radio Buttons
Well, it isnt working, because you have more than one element with the same name, hence, the first defined variable is the one it is displaying. Try this: change the id's to name's, and then put a unique id name in the tag. For instance, <input type="radio" name="Align" id="align1" value="left">

Then you're going to need to rewrite that function:
Code:
function GetSelected(id){

radioSel = document.getElementById(id).value;
alert(radioSel);


For your onClick's tag do this: (for example, my id is align1)

<input type="radio" name="Align" id="align1" onClick="GetSelected('align1')">

PS: you need to keep the name identifier so that it switches in between the three buttons.
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Old February 11th, 2004, 10:21 AM
Desertsnowman Desertsnowman is offline
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RE: RE: Radio Buttons

Quote:
Well, it isnt working, because you have more than one element with the same name, hence, ....


Your're a genuis - cant believe i overlooked that one :p

I used that very idea when making a docheck function ;

i feel so small !

thanks again for all your help !
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