User Control And Master Page ASP.Net

File: Default.master
<%@ Master Language="C#" AutoEventWireup="true"%>
   "-//W3C//DTD XHTML 1.0 Transitional//EN" 
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


    Acme Pirate Store


    
    

        
                    runat="server">
        
    

    


File: index.aspx
<%@ Page Language="C#" 
    MasterPageFile="~/Default.master" 
    AutoEventWireup="true" 
    Title="Product Page" %>
    ContentPlaceHolderID="ContentPlaceholder1" 
    Runat="Server">
    
    Product:
            Width="140px">
        
        A
        B
        C
    
    
    Quantity:
            Width="82px" />