Sunday, 7 July 2013

Count the number of checked box checked:

 

 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs"
Inherits="Test" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>


    <script type="text/javascript" >
        function srinu() {
            var i;
            var count = 0;

            for (i = 1; i <= 4; i++) {
                var str = "c" + i;
                if (document.getElementById(str).checked == true) {
                    count++;
                }
            }
            alert(count);
        }
</script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <input type="checkbox" id="c1"  value="1">fierst checkbox<br/>
<input type="checkbox" id="c2"  value="2">second checkbox<br/>
<input type="checkbox" id="c3"  value="3">third checkbox<br/>
<input type="checkbox" id="c4"  value="4">four checkbox<br/>
<input type="button" onclick="srinu()" value="click me" />
    </div>
    </form>
</body>
</html>

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