How do I achieve authentication using MVVM?

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I'm developing a Windows 8.1 Store App using the MVVM Pattern, which I'm fairly new in. I've read up on MVVM through various site and such but none of them goes into how to use it when it comes to going the authentication process. I know that for the ViewModel, there would be (for example) a LoginViewModel. I would use a LoginSettingsFlyout control for the View but how do I connect the two together? Can anyone point me to the right direction as to how to get this work using MVVM Light? Thanks in advance...

Posted 7-Feb-14 5:34am

Edwidge Amisial

Updated 10-Feb-14 0:27am

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Kornfeld Eliyahu Peter 10-Feb-14 6:54am

What MVVM to authentication! Go and Google MVVM and read the first paragraph of the first page found. MVVM talks about layer separation in development. It has nothing to say about how and why and what of authentication...

Edwidge Amisial 10-Feb-14 7:08am

I never said that it has anything to do with how, why, and what of authentication. I'm just frustrated by the fact there are numerous numbers "Customers" or "Products" examples but doesn't show anything about how to do that asking for a username and password...

Kornfeld Eliyahu Peter 10-Feb-14 7:31am

It's funny - it took me 15 seconds to find some Silverlight samples talking exactly about authentication implemented in MVVM...

Edwidge Amisial 10-Feb-14 7:32am

Care to share your findings?

Kornfeld Eliyahu Peter 10-Feb-14 7:34am

https://www.google.co.il/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&ved=0CHUQFjAH&url=http%3A%2F%2Fecn.channel9.msdn.com%2Fo9%2Flearn%2FSilverlight4%2FLabs%2FSL4LOB_03_User_Registration%2F03%2520User%2520Registration.docx&ei=_8b4Uq6SDMiqhAfV0YD4Cw&usg=AFQjCNFzlJBISrWjUZc73vsAYQv0yBeyEw&sig2=5Gj8rHZMkRKV9qzBXLvBxA&bvm=bv.60983673,d.ZG4

Edwidge Amisial 10-Feb-14 8:56am

I do appreciate you sharing the link that you've provided but I see this applies to Silverlight (yes I know it's XAML based) but doesn't help me when it comes to implementing it in a Windows 8 app.

Kornfeld Eliyahu Peter 10-Feb-14 8:58am

We talk about implementing authentication in MVVM - and the difference between Silverlight and Windows 8 Store Application is nuances...
That's point where your work starts...

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