Visual Studio Project Sample Loading Error: Assembly could not be loaded and will be ignored. Could not load file or assembly or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)

Some folks have mentioned to me that they are having trouble getting some of my samples to work.  And in fact, just the other day, I ran into a problem getting my own samples to work.  It turns out to be a problem with the way windows treats the sample that you down load. Specifically,…

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Bytes by MSDN: Brad Abrams Interview with Billy Hollis: Silverlight 4, RIA Services and VS2010

Bytes by MSDN is doing a bunch of really interesting interviews with folks behind the technology.   In this interview I talked to Billy Hollis about Silverlight 4, RIA Services and VS2010. Tune in with Brad Abrams and Billy Hollis as they discuss the latest Silverlight 4 release and the exciting new features and functionalities now…

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Field Level Access with RIA Services

There are lots of reason you may need to customize the access to given fields within an entity.  For example, HIPPA compliance requires that some data not be exposed to only employees with a need to know.   It is often not sufficient to just NOT show the data in the Silverlight client, you need to…

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Silverlight and RIA Services: Implementing Search

Some of you likely noticed that my PDC09 demo included a stubbed out Search function that I didn’t really get to walkthrough during the talk.   I thought I’d do a blog post showing how it is done. To get started you need: Visual Studio 2010 Beta 2 Silverlight 4 Beta  (which includes RIA Services) You…

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RIA Services: A DomainService IS A WCF Service – Add Service Reference

I made the fairly bold statement at my PDC09 talk that a DomainService IS A WCF Service.  That is, everything you know about a WCF service should be true of a DomainService.  I didn’t have time to get into this in my talk, so I thought I’d hit the highlights here.  And in the process…

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Welcome to WCF RIA Services Beta!

Today at PDC09, Scott Guthrie Announced the beta of WCF RIA Services.  As you may know RIA Services is a set of end-to-end experiences that makes it as easy to build Silverlight based n-tier applications as it is to build traditional 2 tier apps.   I am very excited about this release as it represents a…

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http://silverlight.net/riaservices/ is Live!

We have been working for a while to get a community site together where we can aggregate all the great buzz, resources and discussions about .NET RIA Services.   We hope you enjoy the content we already have up there and help us get more good stuff up there.  http://silverlight.net/riaservices/

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We Need Your Feedback on the Documentation

  The doc teams are looking for your feedback on the .NET Framework and Visual Studio docs.  Help us improve the developer documentation by taking the Visual Studio and .NET Framework Content Survey.  This survey will give us a better understanding of the type of applications you are developing as well as how you use…

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