How to give round corners to a Button control

Hello All,
I saw the video at URL(Below) to give round corners to controls using Ajax roundcorner extender

I followed the video and was able to get round corners for panel control and when I did the same for Button control I failed...Can anyone tell me if I can make use of roundcorner extender for button control? If not what is the best way to make a button with rounded corners...

Thank You
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head runat="server">
    <title>Untitled Page</title>  
    <form id="form1" runat="server">
    <div style="width: 224px; height: 149px">
        <asp:Panel ID="Panel1" runat="server" BackColor="#00FF99" Height="146px" 
            This is to Test the Panel
        <asp:Button ID="Button1" runat="server" Text="Try Me" BackColor="#00CCFF" />
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        <cc1:RoundedCornersExtender ID="RoundedCornersExtender1" runat="server" TargetControlID ="Button1" Radius ="7" Corners ="All">

Open in new window

Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

For buttons you'll need to use CSS, or an imagebutton.  Here is a nice little example of using CSS.

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
The link proposed as solution is broken.
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.