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Archives / 2007 / February
  • WPF/E and ASP.NET AJAX AlbumViewer Application Now Live (Updated)

    --  2/25/2007: Added user driven carousel movement to the albums  --

    Back in December I released a sample application that demonstrated how WPF/E and ASP.NET AJAX could be integrated to view albums returned from an Amazon.com Web Service in a simulated 3D type view. I finally made some time to get the application running live on my site so feel free to try it out if you get a chance.  If you find issues/bugs please add a comment and I'll try to make any necessary changes (include any details such as OS and browser....and keep in mind that WPF/E is still in CTP mode at this point).  Not all artists seem to be available from the Web Service unfortunately.

    Run the AlbumViewer Application

     

    A video that discusses the fundamentals of using WPF/E and ASP.NET AJAX to build the Album Viewer application can be viewed here.

     

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  • Passing an Array of Values to a Stored Procedure in SQL Server 2005

    I've always dreaded handling the situation where I need to pass an array of values to a stored procedure.  Yeah...there are several ways to do it, but none of them are really pleasant IMHO.  I came across the following post by Jon Galloway that puts to use SQL Server 2005's XML capabilities to allow an XML fragment containing multiple values to be passed in as a single parameter and parsed.  Sure, there are pros and cons to this approach, but this technique makes reaching the end goal faster and easier than some of the alternatives.  Especially if you consider using the XML serialization capabilities in .NET to automatically serialize object properties to XML that is then passed to a sproc.

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  • Live Search for Windows Mobile Released

    Microsoft recently released the final build of their awesome Live Search for Windows Mobile application.  It's probably the coolest and most useful application I have on my Mobile 5 phone since it does the following types of things:

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  • Free ASP.NET 2.0 Webcasts and Labs

    Microsoft recently announced several different free Webcasts and virtual labs for those interested in learning to develop ASP.NET 2.0 applications.  Available tracks include ASP.NET 2.0 for existing ASP.NET developers, ASP.NET 2.0 for PHP developers, ASP.NET 2.0 for JSP developers and ASP.NET 2.0 for ColdFusion developers.  More details on the training can be found here.

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  • WPF/E Now Includes a Downloader Feature

    WPF/E is getting better and better as new CTP releases come out.  The February CTP includes several nice additions including a new downloader that allows resources used by a WPF/E application to be downloaded dynamically.  As the resources are downloaded their progress can be monitored and displayed.  This can be useful when images, movies or music need to be downloaded "on the fly" so that the end user can see the progress of the download.  More information on the downloader API can be found at http://msdn2.microsoft.com/en-us/library/bb232904.aspx.

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  • Video: Creating an N-Layer ASP.NET Application (Updated)

    In this video tutorial I walk through the fundamentals of creating an N-Layer ASP.NET application.  What's "N-Layer" you ask?  N-Layer can be interpreted many different ways, but I generally use the term to mean separating presentation, business and data code into individual code layers.  Doing this allows code to be re-used throughout an application and prevents unnecessary clutter in ASP.NET code-behind classes.  This video covers creating presentation, business and data layers and also covers another layer I normally add to projects that I refer to as "Model".  The model layer contains data entity classes that are used to pass data between the different layers. 

    If you're currently embedding all of your code directly in ASP.NET pages, this video will help get you started on the road to recovery.  I'm kidding of course, but if you want to build more re-useable and maintainable applications you'll want to segregate your code into different layers at a minimum.  Other types of architectures can certainly be applied as well.

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  • Video: Creating a Web Service with Windows Communication Foundation (WCF)

    Windows Communication Foundation (WCF) provides a robust framework that allows Web Services and .NET Remoting applications to be built and consumed using a consistent object model.  In this video tutorial I walk through the fundamentals of creating a WCF service exposed through HTTP and IIS.  Topics covered include defining a data contract using XSD schemas, generating data entity code using svcutil.exe, creating a service interface, implementing a service interface and consuming a service through a client-side proxy.

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  • Speaking at the Dallas C# User Group on Feb. 1st (Updated)

    I'll be speaking at the Dallas C# User Group on February 1st on behalf of INETA and Interface Technical Training.  The topic I'll be discussing is Async Web Services in .NET 2.0 which includes a discussion of the pros and cons of async calls as well as several different techniques that can be used from callbacks and waithandles to the new event driven model.  If you're in the Dallas area and are interested in learning different techniques for calling Web Services asynchronously swing on by.

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