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<%@ Page language="c#"  %>
<%@ Register TagPrefix="ASPNETByExample" TagName="Login" Src="login3.ascx" %>
<html>
  <head>
<script runat=server>
    void LogoffButton_Click(Object sender, EventArgs e){
        UserLogin.Logoff();
    }
    
    void UserLogin_Login(Object sender, EventArgs e){
        LogoffButton.Visible = true;
    }
    
    void UserLogin_Logout(Object sender, EventArgs e){
        LogoffButton.Visible = false;
    }    

</script>

  </head>
  <body>
    
    <form method="post" runat="server">
        <ASPNETByExample:login id="UserLogin" runat="server" WelcomeMessage="Greetings" OnLogin="UserLogin_Login" onLogout="UserLogin_Logout"/>
        <br>
        <br>
        <br>
        <asp:linkbutton id="LogoffButton" visible="False" runat="Server" text="Sign out" onclick="LogoffButton_Click" />
     </form>
    
  </body>
</html>