验证javascript中的复选框 [英] Validate checkbox In javascript

问题描述

您好专家，
我有一个注册页面，其中在向导控件内部存在一个条款和条件部分，其中包含一个复选框.当用户单击向导的下一步按钮时必须选中它，否则它将显示一条消息，请检查条款和条件;我尝试了以下脚本，但不适用于向导控制

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 www.insighteye.com)
//Visit JavaScript Kit (http://javascriptkit.com) for this script & more.
function checkCheckBox(f){
if (f.ctl00_ContentPlaceHolder1_Wizard2_chkAgree.checked == false)
{
alert('Please check the box to continue.');
return false;
}else
return true;
}
//-->
</SCRIPT>

请提供解决方案
谢谢
Sandeep(软件开发人员)

Please provide me the solution
Thank You
Sandeep (Software Developer)

推荐答案

请使用以下内容

Please use following

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

谢谢，
Imdadhusen

更新说明:-
我已经从函数中删除了参数，因为现在不再需要它了！

Thanks,
Imdadhusen

Updates Note:-
I have removed parameter from function because now it is no more nedded!

function checkCheckBox()

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