delegates and events

In my last post I have asked feedback of my code.Today I have also crated a simple dummy project.If you think that now I have basic knowledge of delegates and events, then please tell me some difficult task for delegates and events. Below is my code-

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="DelegatesAndEvents.aspx.cs" Inherits="WebProjects.DelegatesAndEvents" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="btn1" runat="server" onclick="btn1_Click" Text="ONE" /><br />
        <asp:Button ID="btn2" runat="server" onclick="btn2_Click" Text="TWO" /><br />
        <asp:Button ID="btn3" runat="server" onclick="btn3_Click" Text="THREE" /><br />

        <asp:Label ID="lblText" runat="server"></asp:Label>
    </div>
    </form>
</body>
</html>


using System;

namespace WebProjects
{
    public partial class DelegatesAndEvents : System.Web.UI.Page
    {
        public delegate void MyDelegate(string val);

        public event MyDelegate myEvent;
        protected void Page_Load(object sender, EventArgs e)
        {
            myEvent += SetLabelValue;
        }

        public void SetLabelValue(string val)
        {
            lblText.Text = val;
        }

        protected void btn1_Click(object sender, EventArgs e)
        {
            if(myEvent!=null)
            {
                string value = "button one is clicked.";
                myEvent(value);
            }
        }

        protected void btn2_Click(object sender, EventArgs e)
        {
            if (myEvent != null)
            {
                string value = "button two is clicked.";
                myEvent(value);
            }
        }

        protected void btn3_Click(object sender, EventArgs e)
        {
            if (myEvent != null)
            {
                string value = "button three is clicked.";
                myEvent(value);
            }
        }
    }
}

Thanks in advance.

ansaurus

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delegates and events

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