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<%@ Page  Language="c#" %>
<%@ Register TagPrefix="YN" Namespace="ASPNETByExample" Assembly="HelloWorld" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<html>
    <body>
        <form id="YesNo" method="post" runat="server">
            You must answer yes or no:
            <YN:ReqYesNoDropDownList runat="server" id="fun" />
            <asp:Button Runat="server" text="Go" ID="Button1" />
            <hr />
            <asp:ValidationSummary Runat="server" />
            <h1>
                <%=fun.Value%>
            </h1>
        </form>
    </body>
</html>