How to get radio button id in javascript

Question

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javascript

C#

function radiobtn(obj) {
           alert(obj.getAttribute('id'));
       }

my alert shows nothing

even i tried

function radiobtn(obj) {
alert(obj.id);
}

asp.net code

<asp:RadioButton runat="server" OnChange="return radiobtn(this)" Text="Answer" ID="chkanswer" />

i also tried

<asp:RadioButton runat="server" OnChange="return radiobtn(this.id)" Text="Answer" ID="chkanswer" /> and

C#

function radiobtn(id) {
           alert(id); 


nothing worked

Posted 28-May-14 19:19pm

Member 10843538

Updated 28-May-14 19:20pm

v2

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Comments

Nirav Prabtani 29-May-14 1:54am

have you used masterpage??

Member 10843538 29-May-14 9:25am

yes

5 solutions

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Ranjeet Patel · Answer 1 · 2014-05-29T01:55:00

Solution 5

C#

function radiobtn(obj) {
           alert(obj.id);
       }

hope this helps you.. :-)

Posted 29-May-14 1:55am

Ranjeet Patel

Awadhendra Tripathi · Answer 2 · 2014-05-28T19:23:00

Solution 1

Try this.
getElementByID(your radiobutton id)

your code...

Posted 28-May-14 19:23pm

Awadhendra Tripathi

praveen_07 · Answer 3 · 2014-05-28T20:37:00

Solution 3

var rdbVlaue=document.getElementByID('rdnCtrl').Value;

Regards,
Praveen Nelge

Posted 28-May-14 20:37pm

praveen_07

osamashatnawe · Answer 4 · 2014-05-29T00:34:00

Solution 4

document.getElementByID('chkanswer')

Posted 29-May-14 0:34am

osamashatnawe

Yash Raichura · Answer 5 · 2014-09-11T02:19:00

Solution 6

This Is Might Solution..First You Get The Specific id..
..In Javascript Main Thing Is To Get ID Of Particular thing To Change
..
var ChkRadioBtn = document.gEt.ElementById("Id Of RadioButton Specify Here");
..
Thanks..;-)

Posted 11-Sep-14 2:19am

Yash Raichura