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By default, the Login control uses ASP.NET Membership to authenticate a username and password.
To change this default setting, you can handle the Login control's Authenticate event.
To use a list of usernames and passwords in the web configuration file.
File: Web.config
<configuration>
<system.web>
<authentication mode="Forms">
<forms>
<credentials passwordFormat="Clear">
<user name="Bill" password="secret" />
<user name="Ted" password="secret" />
</credentials>
</forms>
</authentication>
</system.web>
</configuration>
File: LoginCustom.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)
{
string userName = Login1.UserName;
string password = Login1.Password;
e.Authenticated = FormsAuthentication.Authenticate(userName, password);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Login Custom</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Login
id="Login1"
OnAuthenticate="Login1_Authenticate"
Runat="server" />
</div>
</form>
</body>
</html>
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