EventHandler : Events « ASP.net Controls « ASP.NET Tutorial

<%@ Page Language="C#" CodeFile="Default.aspx.cs" Inherits="Default_aspx" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ASP.NET Server Controls</title>
    <form id="form1" runat="server">
      <h1>ASP.NET Server Controls</h1>
      <h2>The date and time is <% =DateTime.Now.ToString() %>.</h2>
          <asp:TextBox ID="txtBookName" runat="server" Width="250px">Enter a book name.</asp:TextBox>
          <asp:Button ID="btnBookName" runat="server" Text="Book Name" OnClick="btnBookName_Click" />
          <asp:Label ID="lblBookName" runat="server"></asp:Label>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Default_aspx : System.Web.UI.Page 
    public Default_aspx()
        Load += new EventHandler(Page_Load);
    protected void btnBookName_Click(object sender, EventArgs e)
       lblBookName.Text = txtBookName.Text;

3.41.1.Get event dispacher from event argument
3.41.2.The Button_Command event (VB.net)
3.41.3.The Button_Command event (C#)
3.41.4.Two types of events for the button (C#)
3.41.5.Two types of events for the button (VB)