Continuing in our series , I wanted to touch on how a RIA Services can be exposed  your service in JSON .  This is very handy for Ajax clients.   The great thing is that enabling the JSON endpoint is that it requires NO changes whatsoever to the DomainService.  All you need to do...

Continuing in our series , I wanted to touch on how a RIA Services can be exposed as a Soap\WSDL service. This is very useful if you want to enable the exact same business logic\data access logic is available to clients other than Silverlight. For example to a WinForms application or WPF or even a console...

To continue our series ,  In real business applications our data is often very valuable and as such we need to know who is accessing what data and control certain data access to only users with privilege.  Luckily this is very easy to do with RIA Services.  For example, say we want to...

I continue to be impressed with the quality of .NET Developers in Israel.. we had a full house last night for a 2+ hour presentation on building business applications with Silverlight and RIA Services.   The audience was very engaged and had lots of good, relevant questions which created a...

  To continue our series let’s look at data validation our business applications. Updating data is great, but when you enable data update you often need to check the data to ensure it is valid.  RIA Services as clean, prescriptive pattern for handling this.   First let’s look at what...

I had a great time today at Developer Academy 4 . It was in a beautiful part of Tel Aviv. The weather was great and the food fantastic. They had well over 1,000 paid attendees, so the house was PACKED. Dev Academy’s page on Facebook . Including some pictures of me. I was very impressed with the high...

To continue our series , let’s look at localizing our business applications.  In today’s global village, it is often no longer OK to support only one language.   Many real world business applications need to support multiple languages.  To demonstrate the pattern, let’s look at localizing...

To continue our series , let’s look at SEO and Silverlight.  The vast majority of web traffic is driven by search. Search engines are the first stop for many users on the public internet and is increasingly so in corporate environments as well.  Search is also the key technology that drives...

To continue our series , let’s look at updating the data.  I have created a Plates.xaml page with very similar structure to the above.    For details on how I created this page, check out my PDC 09 demo walk through.     Now let’s look at updating the Plate data.. First...

To continue our series , let’s see where the fun comes in my look at how easy that is to consume from the client.  First just to help you understand what is happening behind the covers, let’s look at a code-behind solution.  In View\Home.xaml put a simple DataGrid on the form. < sdk : DataGrid...

To continue our series I wanted to look next at how to expose your data from the server side of your application. The interesting data in your business applications come from a wide variety of data sources. From a SQL Database, from Oracle DB, from Sql Azure, from Sharepoint, from a mainframe and...

To kick off our series, I wanted to focus on our goal of helping you focus on your business, not plumbing code.  The first place you will see this in the pre-build components in the Business Application Template.  It describes a prescriptive application structure, looks great and is easily...

With Silverlight 4 and RIA Services all-but done, I thought it would be worthwhile to highlight some of the key features of the platform and tools that make Silverlight a fantastic platform for building business applications. I’ll avoid gratuitous video and dancing hippos and focus on just the bread...

At Mix10 this morning in Vegas ScottGu announced that Silverlight 4 and RIA Services RC are available for download now!  These bits work great with VS2010 RC .  We have some great videos, and updated samples already posted on http://silverlight.net/riaservices Deepesh has a great list of what...

Dan Wahlin has a great introductory article on RIA Services in Dr. Dobbs and in Information Weekly . Enjoy!

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, because you downloaded...

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...

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...

I had a great time at my talk  PDC2009 talk, but i was disappointed that I could not demo in both C# and VB… So here is the next best thing: A full play-by-play of the demo, but all in VB!   Enjoy. What you need to get started: Visual Studio 2010 Beta2 Silverlight 4 Beta (now includes...

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...

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 show...

I had a great time at my talk today at PDC2009 .  I was able to spend much of the time in a demo…   Here is a summary of that demo so you can walk through it on your own machine: What you need to get started: Visual Studio 2010 Beta2 Silverlight 4 Beta (now includes RIA Services ) Completed...

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...

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...

Jason Allor , dev manager for my team, recently posted about a cool lightweight LINQ parser .  The idea was to make it much easier to create a LINQ provider over any arbitrary data source (a web service, custom business objects, etc).  This makes it much easier to get all the sorting, paging...