Location for login.aspx code behind?

Question

I added a Login.aspx.cs file in the Server Project with some code in
Page_Load() I need to implement, and edited the first line of login.aspx this way:
<%@ Page Language="C#" CodeBehind="Login.aspx.cs" Inherits="Microsoft.LightSwitch.Security.ServerGenerated.Implementation.LogInPageBase" %>
What I added, exactly, are the Language and CodeBehind
properties.
But when I deploy and run the application, I get this error:
The type 'Microsoft.LightSwitch.Security.ServerGenerated.Implementation.LogInPageBase' is ambiguous: it could come from assembly 'C:\testing\Sandbox\bin\Microsoft.LightSwitch.Server.DLL' or from assembly 'C:\testing\Sandbox\bin\Application.Server.DLL'.
Please specify the assembly explicitly in the type name.
I understand this is because Login.aspx.cs already exists in some assembly.
Is there any way to Access Login.aspx code behind?
If not, how can I add my own login page to an HTML Client App without losing the already configured Forms security, roles, permissions, etc.?
thanks.
Nicolás.
Nicolás Lope de Barrios
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Answer 1

Josh:I tried your suggestion, edited Login.aspx like you said, and the code for Login.aspx.cs converted from vb is this:
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Security;
using Microsoft.LightSwitch;
using LightSwitchApplication;
using LightSwitchApplication.Helpers;
namespace LightSwitchApplication
public partial class Login : Microsoft.LightSwitch.Security.ServerGenerated.Implementation.LogInPageBase
protected void Page_Load(object sender, EventArgs e)
AuditHelper.CreateAuditTrailForLogin();
public Login()
Load += Page_Load;
As you can see, all I want to do is call AuditHelper.CreateAuditTrailForLogin()
on Page_Load()
But I'm getting this exception, wich is obvious what it means, but I don't know how to fix. Does it mean we're overriding Server generated Page_Load() so I have to write all the code that handles authentication?:
The method or operation is not implemented.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.             
Exception Details: System.NotImplementedException: The method or operation is not implemented.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.                  
Stack Trace:
[NotImplementedException: The method or operation is not implemented.]
LightSwitchApplication.Login.Page_Load(Object sender, EventArgs e) +36
Microsoft.LightSwitch.Security.ServerGenerated.Implementation.LogInPageBase.OnLoad(EventArgs e) +90
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178
Any help appreciated.
Nicolás Lope de Barrios
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