required field validator

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i have 11 check boxes within a pannel in my asp.net page, so that user select one of them i want to put a fielld validator with them. can somebody tells me which one field validator should i use and how, coz i have use custom validator, and required field validator with it but they didnt work.

Posted 28-Mar-12 17:42pm

saifullahiit

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Pravinjas · Answer 1 · 2012-03-28T18:10:00

Solution 1

Hi,

You need to use client side validation for checkboxes.

Posted 28-Mar-12 18:10pm

Pravinjas

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saifullahiit 29-Mar-12 0:12am

how?

Pravinjas 9-Apr-12 5:12am

use following javascript code

var rdo1=document.getElementById('ID of your checkbox');
if(!rdo1.checked)
{
//user message
}