Colin, Is this for SL4 only?

Thanks Colin,

It is important to continue with VS2008. Not every company is moving to VS2010 version yet.

Thanks Colin,

That's great - that's similar the solution we discussed in forums.silverlight.net/forums/p/149128/332409.aspx

I propose to use the following namespaces in the solution:
Solution:
- BusinessApplication.AppServices.Server (DomainService - server part of the WCF RIA Services)
- BusinessApplication.AppServices.Silverlight (DomainContext - client part of the WCF RIA Services

- BusinessApplication.MyAppLogic.Server
- BusinessApplication.MyAppLogic.Silverlight

- BusinessApplication.Silverlight (XAML-Pages)
- BusinessApplication.Web (Silverlight Host and other ASPX-pages)

Use for each WCF RIA Services Class project the Server- and Silverlight part (AppServices.Server, AppServices.Silverlight). May be it's better to use Client instead of Silverlight (AppServices.Server, AppServices.Client).
To identify the silverlight project use BusinessApplication.Silverlight. In this way it's also better to distinguish from other client devices like WPF, Mobile, ...
It's a good idea to separate application services (AppServices) from other main application logic (Ex.: MyAppLogic).

Hi Colin,

Thankyou so much for your nice Project.  I was Trying to implement the same technique in my project with SL 4 and VS2010 b2 and i was struggling a lot to implement this.  i have even requested for this solution in SL Blogs http://forums.silverlight.net/forums/t/149311.aspx but i didnt got any response.

Can you please provide me the Walkthrough for creating this solution.
Thanks
Bhaskar

Thanks Colin,

I have created it by my self. But when i try to build the project i am getting "The type 'PMT.AppSvc.User' already contains a definition for 'DisplayName'" this error.
Can you suggest me what could be the possible way to over come this error.

Thanks

Colin,

The error is generating from User.Shared.cs file.

Colin,

I did Clean Solution and the previous error has gone, but came up with 2 new errors

1) 'System.Windows.Ria.WebContextBase.User' is inaccessible due to its protection level in LoginStatus.xaml.cs
2) The property or indexer 'System.Windows.Ria.WebContextBase.User' cannot be used in this context because the get accessor is inaccessible in LoginStatus.xaml.cs

and even i am also facing problem in creating Resources as links.  The Resource.Designer.cs files are displaying Separately insted of being in the Hierarchy

Colin,

can you please let me know how you have managed the tricky part of Sharing the Resoruces correctly.

Hi Colin,

Thanks for the great sample!! instructive and clear
Anyway - how else - I am having a small issue with getting the WebContext .. let's be clear I am trying to go "more far away" integrating RIA Services with PRISM, so on the Silverlight module which is a client of the DomainService website I do not have that WebContext.
I also can't access it on the module's inicialization routine...
I have tried to get it on the "Shell", the main application of the PRISM application, which is the main application loaded, there I add a reference to System.Windows.Ria, and the idea was to get the WebContext and initialize the modules with its value.. and then launch an event into the modules.

Anyway, WebContextBase.Current; (being WebContext from the namespace/assembly System.Windows.Ria) does throw an error to me:
{System.InvalidOperationException: No contexts have been added to the Application's lifetime objects. For WebContextBase.Current to resolve correctly, add a single context to the lifetime objects.
   at System.Windows.Ria.WebContextBase.get_Current()}  System.SystemException {System.InvalidOperationException}

So its unclear how should I get this webcontext and pass it to the service for it to work properly...

Any clues on this?

Thanks so much

Grand!

First, thanks so much for your so quick reply
It worked!!  - at least half of it...

I have added the WebContext declaration to the Shell application's App.xaml:

    <Application.ApplicationLifetimeObjects>
        <appServices:WebContext>
            <appServices:WebContext.Authentication>
                <appsvc:WindowsAuthentication/>
            </appServices:WebContext.Authentication>
        </appServices:WebContext>
    </Application.ApplicationLifetimeObjects>

Being the namespaces:
  xmlns:appsvc="clr-namespace:System.Windows.Ria.ApplicationServices;assembly=System.Windows.Ria"
  xmlns:riaservices="clr-namespace:System.Windows.Ria;assembly=System.Windows.Ria"
  xmlns:appServices="clr-namespace:MyApp.DomainService;assembly=MyApp.Seguiment.DomainService"

Then, on one of the modules, I have the following code on the InitModule.cs:
Application.Current.Resources.Add("WebContext", WebContext.Current);
            ((WebAuthenticationService)WebContext.Current.Authentication).DomainContext =
                new AuthenticationContext();
WebContext.Current.Authentication.LoadUser(this.Application_UserLoaded, null);

Which is basically the same code you have. This all works.

Except I don't get the user loaded...   WebContext.Current.User;  gets me a null...

And yes, I am under a AD domain, I have <authentication mode="Windows"/> and I have tested it from a custom ASP.NET application that I get the user correctly.

Any clue on what might I have missed?

Yes, it is in Application_UserLoaded.

And it gets called well, and also does get the Application_UserLoaded callback function. But just after finishing the callback function I get the exception:
Error  {System.Windows.Ria.DomainOperationException: Load operation failed for query 'GetUser'. A profile property does not exist for FriendlyName.
   in System.Windows.Ria.ApplicationServices.WebAuthenticationService.EndLoadUser(IAsyncResult asyncResult)
   in System.Windows.Ria.ApplicationServices.LoadUserOperation.EndCore(IAsyncResult asyncResult)
   in System.Windows.Ria.ApplicationServices.AuthenticationOperation.End(IAsyncResult result)}  System.Exception {System.Windows.Ria.DomainOperationException}


I can say that the domainservice link works as I can get data from it..

Mmmm.. have checked your application and it works well and can't tell any implementation difference on the user definition... have all the related classes on my "AppServices.Web" app, the user and user.shared.cs..

so really don't know where to look for.

Thanks again

I have the same issue with the Contoso Store sample but when adding a ria user control that uses the LoginStatus.xaml to a Page ( its ok if the page contains it .) then the visual designer dies with the same no context error

Hello Colin, I am busy pulling my hair out. In the project I am currently working on I am also using RIA combined with Prism. I wasnt satisfied with the Business Application Template and started my project with a clean Silverlight Application and several class libraries. Afterwards I decided that I would like to include certain parts of the business application template, but instead of modifying the business application solution I am just copying in certain parts of code as I need them. I have got the authentication and everything else I needed to work, and decided that I would like to include the shared resx files. And it is here that I ran into a problem. I added a resx file to my Web project (public), and then proceeded by adding the resx file through ---> add existing item ---> add as link, to my client project. I then proceeded by adding the following to my .csproj file: <Compile Include="..\BedBureau.Web\Resources\RegistrationDataResources.Designer.cs"> <Link>Web\Resources\RegistrationDataResources.Designer.cs</Link> <AutoGen>True</AutoGen> <DesignTime>True</DesignTime> <DependentUpon>RegistrationDataResources.resx</DependentUpon> </Compile> <EmbeddedResource Include="..\EnterpriseBusinessApplication08.AppServices.Web\Resources\RegistrationDataResources.resx"> <Link>Web\Resources\RegistrationDataResources.resx</Link> <Generator>PublicResXFileCodeGenerator</Generator> <LastGenOutput>RegistrationDataResources.Designer.cs</LastGenOutput> </EmbeddedResource> And the link shows up in my client project, the project compiles and runs as expected. HOWEVER, when the login window is loaded, and I access the resource with [Display(Name = "UserNameLabel", ResourceType = typeof(BedBureau.Web.Resources.RegistrationDataResources))] I get the following error: Code: 4004 Category: ManagedRuntimeError Message: System.Resources.MissingManifestResourceException: Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "BedBureau.Web.Resources.RegistrationDataResources.resources" was correctly embedded or linked into assembly "Shell" at compile time, or that all the satellite assemblies required are loadable and fully signed. Well, for the moment I have just circumvented the problem by creating a seperate resx file on the Client, but it really irritates me that I can't get the linking to work. Any suggestions? Thx a mill!

@Jurie I don't have a good answer for you, I don't use resource files much myself so to get this template I pretty much just used trial and error. Did you watch the video where I was linking the resource files including the text under the video where I detail the mistake I made?

Well, if now i agree a new silverlight project with a new RiaservicesClass
  Is there a new webcontex2?
  is the same?

Hello Colin

Do you have a VB.NET 2010 Version for this SL4 Business template? I tried implementing using VB.NET there are lot of namespace conflicts. If you have this, it will be of great help.

R
Dhinesh Kumar

Do you have a VB.NET 2010 version of this, it would have been great? I have tried implementing this in VB but i find it really hard (VS2010, SL4, PRISM(CAL),MVVM)

Hi Colin, I have been looking for some answers on custom authentication services and your BusinessApplicationTemplate really helped. I noticed that the current link targets a old version of RIA. I took the liberty of addressing the issues I spotted and tweaked the WebContext implementation. I'd be happy to send you the altered solution if it would be useful (also interested if I made any mistakes).
Regards
Russell

Russel,
I'm really interested to see your solution, I'm trying to use Colin's example but I'm having trouble getting it up and running for the current version of RIA. I'm almost there but getting some namespace error in the generated code in the AppService. Could you please post or blog your solution?

Colin, any chance you will upgrade the project to work with the current RIA/SL or create a VB.NET version?

Hi Colin,

I try to move autentication service to ria class library with the latest WCF Ria Services following your movies 1,2,3 based on the Silverlight Business application template. It's fine to pass compile, but when to run the app, I got error said:
The DomainContextType is null or invalid and there are no contexts generated from AuthenticationBase<T>.

The error happened at app.xaml.cs:
WebContext webContext = new MyRIAServices.WebContext();
when it try to create instance, it create error said:
Unable to cast object of type 'DefaultPrincipal' to type 'MyRIAServices.Web.User'

I downloaded your template for VS2010 and modified it for latest WCF Ria Services(basically adding right assemblies and modify using for right one too), it passed compiliation, when running the app, aslo got simialar error as above.

How to reslove this problem?

Thank,

Kent

Hi Colin,

I have the same issue as Kent, Getting the 'unable to cast object of type 'DefaultPrincipal' to type 'XXX.Web.User'... any help or indication on that would be most useful..

Thanks!!

Hi,

I have added more detail and submitted the issue in the forums here: forums.silverlight.net/.../426236.aspx#426236

Basically, on the Silverlight App constructor, we have the following code, to create the application web context, assign the authentication mode and

then add the webcontext to the applicationLifetimeObjects:

            WebContext webContext = new WebContext();

            webContext.Authentication = new WindowsAuthentication();

            this.ApplicationLifetimeObjects.Add(webContext);


The first sentence executes well…  gets the context, the second seems to work... providing the Authentication property but the user property is not valid..  it can’t get it… and this generates the error “'webContext.User' threw

an exception of type 'System.NullReferenceException'”...

The Stack Trace is as follows:

   “System.ServiceModel.DomainServices.Client.ApplicationServices.WebAuthenticationService.CreateDefaultUser()\r\n  

System.ServiceModel.DomainServices.Client.ApplicationServices.AuthenticationService.get_User()"


I have followed the migration guidelines and reviewed more than three times all the migration details: configuration settings, assemblies

and namespace changes… I have also compared the project to other projects generated directly in SL4 that are working well… with no

success.

Any guess on what might have been wrong? Should I start anew and copy everything to the new  project?  Any guidance or suggestion would be more than appreciated

Best!

Are you planning on updating this to the latest version of RIA?