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What If I Don’t Call Dispose() on my LINQ to SQL DataContext Object? by dwahlin

I’ve written a few posts about LINQ to SQL and am generally a big fan of the technology (even with its weaknesses) since it’s very productive.  After creating a custom DataContext object using the LINQ to SQL designer (or one created by hand) I always...
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Desert Code Camp Is This Saturday (May 31st) by dwahlin

Arizona's Desert Code Camp is this Saturday (May 31st) at the University of Advanced Computing building.  Here's the address: University of Advancing Technology 2625 W. Baseline Road ( map ) Tempe, Arizona 85283 It looks like there are a lot of great...

Working with the GridView and the System.Data.Linq.Binary Type by dwahlin

I'm working with a database table that has a RowVersion field defined as a TimeStamp data type.  The TimeStamp field is there to add concurrency into the application to ensure a row hasn't changed while a user is trying to update or delete it. ...
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Service Pack 1 Beta Released for Visual Studio 2008 and the .NET Framework 3.5 by dwahlin

Microsoft just released the SP1 beta for Visual Studio 2008 and the .NET Framework 3.5 and it includes a huge number of new features and enhancements.  Check out Scott Guthrie's blog for details but here's a quick list of what's included: ASP.NET...

Using LINQ to Perform "WHERE IN (Value1,Value2)" Queries by dwahlin

I recently needed to select a few products from a database where the product ID matched up with a list of IDs.  That's easy to do with a normal SQL statement since you can use the "WHERE IN (Value1,Value2)" clause to find what you need...
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Orlando 2008 DevConnections Talks by dwahlin

I'm in Orlando this week speaking at the DevConnections conference on 3 different topics.  It's my personal favorite as far as conferences go and features a lot of cool technologies, people and events.  This week I'm covering custom ASP.NET...

Want to Learn How to Use LINQ? Check out LINQPad! by dwahlin

I was catching up with some of the people I follow on Twitter tonight (as a side note, I used to think Twitter was a waste of time but I'm actually finding it useful now days) and noticed that Scott Cate listed a link to a free tool called LINQPad. ...
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Silverlight 2.0 Video Tutorials (Updated) by dwahlin

Silverlight 2.0 provides a new and exciting framework for building rich applications using C#, VB.NET or other languages that are capable of running on multiple operating systems and in multiple browsers. Scott Guthrie recently posted a great set of tutorials...
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Building an N-Layer ASP.NET Application with LINQ, Lambdas and Stored Procedures (Updated) by dwahlin

Update: I refactored some of the code and also did a better job ensuring Dispose() is called everywhere so that the DataContext object gets cleaned up properly. Download the Application Here .NET 3.5 has a lot of great new features that can significantly...

Introducing Visual Studio 2008 Course by dwahlin

Thanks to everyone that attended the Visual Studio 2008 course yesterday. It was a lot of fun talking about all of the new stuff available in VS 2008 and .NET 3.5 and hearing the different projects people are working on. As promised, here's the lab code...
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