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The simplicity is shown in the tags present in the .ascx file in Listing 2-5. The code-behind
class in Listing 2-6 is left unchanged from the blank template Visual Studio produces when you
add a user control to a web application.
Listing 2-5. The MenuUserControl User Control .ascx File
<%@ Control Language="C#" AutoEventWireup="true"
CodeBehind="MenuUserControl.ascx.cs"
Inherits="ControlsBook2Web.Ch02.MenuUserControl" %>

Listing 2-6. The MenuUserControl User Control Code-Behind Class File
using System;
namespace ControlsBook2Web.Ch02
{
public partial class MenuUserControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
}
}
}
The Control directive at the top of the user control .ascx file shown in Listing 2-5 identifies
it as a user control to the ASP.NET parsing engine. The format is similar to that of the Page
directive in an .aspx page file.
The Control directive helps set up the code-behind system through its CodeFile and Inherits
properties.


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