checkbox Server Control OnCheckedChanged

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ASP.NET

Javascript

hello , i have this code and it run perfectly with input checkbox html contol

<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">

<script  language="javascript" type="text/javascript" >
              function chvisible(controlId)
                {
                    var control = document.getElementById(controlId);
                    if(control.style.display == "none" || control.style.display == "")
                        control.style.display = "block";
                        control.body.text="";
                    else
                        control.style.display = "none";
                }
</script>
        <asp:TextBox ID="TextBox1" runat="server" Style="display: none"></asp:TextBox>
        <input id="Checkbox1" type="checkbox" onclick="chvisible('<%=TextBox1.ClientID %>');"/>
</asp:Content>

when i change the <input > to CheckBox
what i will write instead of "chvisible('<%=TextBox1.ClientID %>');"
in onCheckedChanged Event ?????

checkbox server side control doesn't have onclick event

when i try to write this following , it don't run

<asp:CheckBox ID="CheckBox2" runat="server" OnCheckedChanged="chvisible('<%=TextBox1.ClientID %>');" />

also it failed if i write

<asp:CheckBox ID="CheckBox1" runat="server" onclick="chvisible('<%=TextBox1.ClientID %>');" Text="sport" />