<%@ Page Language="C#" %>
<script runat="server">
void Btn_Click(Object sender, EventArgs e) {
if ( Membership.ValidateUser( Usr.Text , Pwd.Text ) )
FormsAuthentication.RedirectFromLoginPage(Usr.Text, true);
else
Msg.Text = "Invalid login, please retry.";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<body>
<form id="form1" runat="server">
<asp:Label ID="Lbl1" runat="server" Text="User:"/>
<asp:TextBox ID="Usr" runat="server"/>
<asp:Label ID="Lbl2" runat="server" Text="Password:"/>
<asp:TextBox ID="Pwd" runat="server" TextMode="Password"/>
<asp:Button ID="Button1" runat="server" Text="Login"
OnClick="Btn_Click" /><br/>
<asp:Label ID="Msg" runat="server"/>
</form>
</body>
</html>