http://forums.aspfree.com/net-development-11/master-page-login-control-163011.html[
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ASP page
<%@ Page Language="C#" masterpagefile="master.master" title="Login" %>
<asp:Content id="Content4" runat="server" contentplaceholderid="head">
</asp:Content>
<asp:Content id="Content5" runat="server" contentplaceholderid="PageDesc">
<h5>Login</h5>
</asp:Content>
<asp:Content id="Content6" runat="server" contentplaceholderid="sidebar">
<h4>Contact Information</h4>
</asp:Content>
<asp:Content id="Content1" runat="server" contentplaceholderid="Body">
<asp:Login runat="server" id="Login1">
</asp:Login>
</asp:Content>
web config file
="1.0"="utf-8"
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<system.web>
<authentication mode="Forms" />
<authorization>
<deny users="?" />
</authorization>
<identity impersonate="False" />
</system.web>
</configuration>
master page
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ Master Language="C#" %>
<html dir="ltr" xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252" />
<title></title>
<asp:ContentPlaceHolder id="head" runat="server">
</asp:ContentPlaceHolder>
<link rel="shortcut icon" href="images/favicon.ico" type="image/x-icon" />
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body style="margin-top: 0; margin-bottom: 0">
<form id="form1" runat="server">
<div class="wrapper">
<div style="text-align: center">
<a href="http://www.123.xxx">
<img alt="Link to Home Page" src="images/123header.jpg" width="625" height="71" /></a></div>
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="header" style="width: 750px; height: 219px">
<asp:ContentPlaceHolder id="PageDesc" runat="server">
<h5> </h5>
</asp:ContentPlaceHolder>
</td>
</tr>
<tr>
<td class="navigation">
</td>
</tr>
<tr>
<td>
<table border="0" width="100%" cellspacing="0" cellpadding="0" id="table1">
<tr>
<td class="sidebar">
<asp:ContentPlaceHolder id="sidebar" runat="server">
<p> </p>
</asp:ContentPlaceHolder>
</td>
<td class="maintext" valign="top">
<asp:ContentPlaceHolder runat="server" id="Body">
</asp:ContentPlaceHolder>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="footer">
</td>
</tr>
</table>
</div>
</form>
</body>
</html>