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Editorial Team
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Asked: 2026-06-03T14:42:38+00:00

updated: <%@ Page Language=C# AutoEventWireup=true CodeBehind=chkbox_checked_uncheked.aspx.cs Inherits=Ediable_Repeater.chkbox_checked_uncheked %> <!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0

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updated:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="chkbox_checked_uncheked.aspx.cs"
    Inherits="Ediable_Repeater.chkbox_checked_uncheked" %>

<!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 src="Scripts/jquery-1.6.2.min.js" type="text/javascript"></script>

    <script type="text/javascript">

        $(document).ready(function () {
            $('#C1All').click(function () {
                debugger
                $('.col1').attr("checked", $('#C1All').attr("checked"));
                $('.col2').removeAttr("checked");
                $('#C2All').removeAttr("checked");
            });

            $('#C2All').click(function () {
                debugger
                $('.col2').attr("checked", $('#C2All').attr("checked"));
                $('.col1').removeAttr("checked");
                $('#C1All').removeAttr("checked");
            });

            $('.col1').each(function () {
                $(this).click(function () {
                    var id = $(this).attr('id');
                    debugger
                    var coresId = id.replace('C1', 'C2');
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });

            $('.col2').each(function () {
                $(this).click(function () {
                    var id = $(this).attr('id');
                    var coresId = id.replace('C2', 'C1');
                    debugger
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });
        });
  </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <div>
            <table border="1">
                <tr>
                    <td>
                        <asp:CheckBox ID="C1All" runat="server" class="col1" Text="approve all" />
                    </td>
                    <td>
                        <asp:CheckBox ID="C2All" runat="server"  class="col2" Text="Reject all" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <asp:CheckBox ID="C101" runat="server" class="col1" Text="john 0" />
                    </td>
                    <td>
                        <asp:CheckBox ID="C201" runat="server"  class="col2" Text="john 0" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <asp:CheckBox ID="C102" runat="server" class="col1" Text="john 1" />
                    </td>
                    <td>
                        <asp:CheckBox ID="C202" runat="server"  class="col2" Text="john all" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <asp:CheckBox ID="C103" runat="server" class="col1" Text="john 2" />
                    </td>
                    <td>
                        <asp:CheckBox ID="C203" runat="server"  class="col2" Text="John 2" />
                    </td>
                </tr>
            </table>
        </div>
    </div>
    </form>
</body>
</html>

i have a two columns (approve all/reject all) how can i restrict the user to allow only one checkbox of each?

here is the output of the screen:

enter image description here

i have tried something like this but did not work:

 function SelectApproveAllCheckboxes(chk, selector) 
    {     
         $('#<%=gv.ClientID%>').find(selector + " input:checkbox").each(function () 
        {                    
              $(this).prop("checked", $(chk).prop("checked"));     
         }); 
    } 
function SelectRejectAllCheckboxes(chk, selector) 
{     
     $('#<%=gv.ClientID%>').find(selector + " input:checkbox").each(function () 
    {                    
          $(this).prop("checked", $(chk).prop("checked"));     
     }); 
}  

<asp:CheckBox ID="chkAll" runat="server" onclick="SelectApproveAllCheckboxes(this, '.approve)" />     
<asp:CheckBox ID="chkAll1" runat="server" onclick="SelectRejectAllCheckboxes(this, '.reject)" />
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1 Answer

  1. Editorial Team

    OK based on your answer to my questions on the comments section to your question, here is a working solution. I’ve used a HTML table with static controls; but you should be able to apply the concepts.

    <html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table border="1">
            <tr>
                <td><input type="checkbox" id="C1All" />Approve All</td>
                <td><input type="checkbox" id="C2All" />Reject All</td>
            </tr>
            <tr>
                <td><input type="checkbox" id="C101" class="col1" />John 0</td>
                <td><input type="checkbox" id="C201" class="col2" />John 0</td>
            </tr>
            <tr>
                <td><input type="checkbox" id="C102" class="col1" />John 1</td>
                <td><input type="checkbox" id="C202" class="col2" />John 1</td>
            </tr>
            <tr>
                <td><input type="checkbox" id="C103" class="col1" />John 2</td>
                <td><input type="checkbox" id="C203" class="col2" />John 2</td>
            </tr>
        </table>
    </div>
    </form>
    <script type="text/javascript">
        $(document).ready(function () {
            $('#C1All').click(function () {
                $('.col1').attr("checked", $('#C1All').attr("checked"));
                $('.col2').removeAttr("checked");
                $('#C2All').removeAttr("checked");
            });

            $('#C2All').click(function () {
                $('.col2').attr("checked", $('#C2All').attr("checked"));
                $('.col1').removeAttr("checked");
                $('#C1All').removeAttr("checked");
            });

            $('.col1').each(function () {
                $(this).click(function () {
                    var id = $(this).attr('id');
                    var coresId = id.replace('C1', 'C2');
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });

            $('.col2').each(function () {
                $(this).click(function () {
                    var id = $(this).attr('id');
                    var coresId = id.replace('C2', 'C1');
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });
        });
    </script>
</body>

</html>

    EDITED

    since in asp.net checkboxes are nested within the span tags make use of this jquery instead of the previous one.

           $(document).ready(function () {
            $('#C1All').click(function () {
                $('.col1 > input').attr("checked", $('#C1All').attr("checked"));
                $('.col2 > input').removeAttr("checked");
                $('#C2All').removeAttr("checked");
            });

            $('#C2All').click(function () {
                $('.col2 > input').attr("checked", $('#C2All').attr("checked"));
                $('.col1 > input').removeAttr("checked");
                $('#C1All').removeAttr("checked");
            });

            $('.col1').each(function () {
                $(this).click(function () {
                    var id = $("input", this).attr('id');
                    var coresId = id.replace('C1', 'C2');
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });

            $('.col2').each(function () {
                $(this).click(function () {
                    var id = $("input", this).attr('id');
                    var coresId = id.replace('C2', 'C1');
                    $('#' + coresId).removeAttr("checked");
                    $('#C1All').removeAttr("checked");
                    $('#C2All').removeAttr("checked");
                });
            });
        });
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