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Asked: 2026-05-19T15:04:45+00:00

i have the following function in default.aspx…..i have webusercontrol which have 10 checkboxes and

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i have the following function in default.aspx…..i have webusercontrol which have 10 checkboxes and 1 button …. i want when i click on button1 of user control then it can access the function of default.aspx …page …if i dragged the usercontrol to default.aspx

Normally if i use 10 checkboxes and 1 button in default.aspx then it works fine … if i use 10checkboxes and 1button in usercontrol then drag that usercontrol in default.aspx then it will not work ..

what was the problem …how to fix this ?

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default2.aspx.vb" Inherits="Default2" %>

<%@ Register src="WebUserControl.ascx" tagname="WebUserControl" tagprefix="uc1" %>

<!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>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <uc1:WebUserControl ID="WebUserControl1" runat="server" />

    </div>
    </form>
     <script src ="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script>
      <script type="text/javascript">

      $("#'<%=Button1.ClientID %>'").click(function(){

    var vCheckedCBCount =  $("input:checkbox").filter(function(index){ 
    return $(this)[0].checked == true;
    }).length;
    if(vCheckedCBCount > 1)
    {
        alert('You cannot check more than 1 check box.');
        return false;
    } 
});
 </script >
   </body>
</html>
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1 Answer

  1. Editorial Team

    Try this one –>

    ————————————ASPX Code——————————————————————————

    ASPX:

    <%@ Register Src="~/UserControl/WebUserControl.ascx" TagName="ucCheckBox" TagPrefix="UC" %>

<UC:ucCheckBox ID="ucCheckBox" runat="server" />

    JAVASCRIPT:

    $(document).ready(function(){

    $("input:submit[id$='btnSubmit']").click(function(){

        var vCheckedCBCount =  $("input:checkbox").filter(function(index){
        return $(this)[0].checked == true;
        }).length;
        if(vCheckedCBCount > 5)
        {
            alert('You cannot check more than 5 check box.');
            return false;
        } 
    });
});

    ————————————ASPX Code——————————————————————————

    ——————————-User control code————————————–

    UserControl:

    <%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="UserControl_WebUserControl" %>
<asp:CheckBox ID="CheckBox1" runat="server" /><br />
<asp:CheckBox ID="CheckBox2" runat="server" /><br />
<asp:CheckBox ID="CheckBox3" runat="server" /><br />
<asp:CheckBox ID="CheckBox4" runat="server" /><br />
<asp:CheckBox ID="CheckBox5" runat="server" /><br />
<asp:CheckBox ID="CheckBox6" runat="server" /><br />
<asp:CheckBox ID="CheckBox7" runat="server" /><br />
<asp:CheckBox ID="CheckBox8" runat="server" /><br />
<asp:CheckBox ID="CheckBox9" runat="server" /><br />
<asp:CheckBox ID="CheckBox10" runat="server" /><br />
<asp:Button ID="btnSubmit" runat="server" Text="Continue" />

    ——————————-User control code————————————–

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