Asp Control ASP.Net

<%@ Page Language="C#" %>

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        lblResult.Text = chkNewsletter.Checked.ToString();
    }



    Show CheckBox


    
    

            id="chkNewsletter"
        Text="Receive Newsletter?"
        Runat="server" />
    
            id="btnSubmit"
        Text="Submit"
        OnClick="btnSubmit_Click"
        Runat="server" />
    
    
            id="lblResult"
        Runat="server" />