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Pushing Data to a Silverlight Client with a WCF Duplex Service – Part II by dwahlin

In Part 1 of this series on pushing data to a Silverlight client with a WCF polling duplex service I demonstrated how service contracts and operations can be defined on the server.  WCF has built-in support for duplex communication (two-way communication...
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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...

Pushing Data to a Silverlight Client with Sockets: Part II by dwahlin

In Part 1 of this two part series on socket support in Silverlight 2 I discussed how a server could be created to listen for clients using classes in the System.Net.Sockets namespace. In that post the TcpListener class was used to listen for client connections...
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Using Silverlight 2 ItemsControl Templates by dwahlin

Building Silverlight 2 applications reminds me of the first time I built an ASP.NET application.  There are so many new features and controls that it takes a little time to get up-to-speed with what's available and how it can be used.  It's...
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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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