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Define properties for user controls

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"      Inherits="Default" %> <%@ Register Src="Control.ascx" TagName="Message" TagPrefix="x" %> <!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>Testing a User Control</title> </head> <body>     <div id="pageAbstract">             The page puts ASP.NET user controls through their paces.     </div>          <div id="pageContent">         <form id="form1" runat="server">             <x:Message ID="Message1" runat="server" />         </form>     </div> </body> </html> File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; 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 : System.Web.UI.Page {     protected void Page_Load(object sender, EventArgs e)     {         Message1.ForeColor = "blue";         Message1.Text = "Hello world";     } } File: Control.ascx <%@ Control Language="C#" AutoEventWireup="true" CodeFile="Control.ascx.cs"      Inherits="Default" %> <span style="color:<%= ForeColor%>"><%= Text%></span>  File: Control.ascx.cs using System; using System.Data; using System.Configuration; using System.Collections; 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 : System.Web.UI.UserControl {     public string ForeColor;     public string Text; }