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Hello Experts,
I have a Register page in which a terms and condition section is present Inside Wizard control which contain a checkbox.It must be checked when user click the next button of wizard.Otherwise it will show a message please check terms & condition.I have tried the following script but it isnot working for wizard control

<SCRIPT type="text/javascript">
//Accept terms & conditions script (by InsightEye
//Visit JavaScript Kit ( for this script & more.
function checkCheckBox(f){
if (f.ctl00_ContentPlaceHolder1_Wizard2_chkAgree.checked == false)
alert('Please check the box to continue.');
return false;
return true;

Please provide me the solution
Thank You
Sandeep (Software Developer)
Sunasara Imdadhusen 29-Jan-11 6:20am    
I think f.ctl00_ContentPlaceHolder1_Wizard2_chkAgree it return NULL please try to following in Alert box
and let me know what will be Alert box value?

1 solution

Please use following

function checkCheckBox(){
var chk = document.getElementById('<%=chkAgree.ClientID%>');
  if (chk.checked == false)
     alert('Please check the box to continue.');
     return false;
    return true;


Updates Note:-
I have removed parameter from function because now it is no more nedded!
function checkCheckBox()
Share this answer
Sandeepost 31-Jan-11 1:27am    
Thank You very much sir
It is working fine now
sapien4u 1-Feb-11 4:21am    
It helped in my case too.
thank you
Sunasara Imdadhusen 2-Feb-11 8:36am    
Thanks for your applications!!

If you would getting solution then you should provide Vote and Mark as Accepted Solution.
Sunasara Imdadhusen 2-Feb-11 8:40am    
I have also update answer because i removed parameter from function because it was no more needed!

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