February 2008 - Posts

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ASP.NET Data Validation and Data Entry Controls by dwahlin

If there's one thing I hate about building Web Forms it's data validation and custom data entry controls (think date pickers, etc.).  ASP.NET provides some nice controls to perform validation, and has controls in the ASP.NET AJAX Toolkit that also...
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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...
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SmartWebControls.com Released by dwahlin

Last night we released a new version of the OrgChart.NET ASP.NET server control under a new name of "SmartChartPro".  We decided to give the control a new name since it's capable of doing more than just OrgCharts (although that's what most...
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Getting Ready for Silverlight 2.0 by dwahlin

Scott Guthrie just released new information about Silverlight 2.0 including 8 tutorials.  It's going to be a "happening" client-side development framework once it's all done!  Here's a list of the tutorials he released: Part 1: Creating...
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LINQ to XSD by dwahlin

One of the cool features in VB 9.0 is the ability to work directly with XML in code without having to wrap quotes around everything.  If you're a C# developer, that's a feature that we don't have although you can do similar things with LINQ to XML...
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Testing Email Messages Sent using System.Net.Mail on Windows Vista by dwahlin

I've been developing for months on Windows Vista and had everything I needed at my disposal.  Last night, however, I needed to test whether or not email messages were being successfully sent from an ASP.NET application and see what they looked like...
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LINQ and Lambdas and Sprocs....Oh My! by dwahlin

There's a lot of great stuff in .NET 3.5 and several different ways to work with LINQ technologies such as LINQ to SQL.  I'm currently putting together some demonstration code for a talk I'll be giving at DevConnections in Orlando and showing how...
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Simplifying ASP.NET ListView Control Templates by dwahlin

I've been working with the new ListView control in ASP.NET 3.5 combining it with LINQ and Lambda expressions and was finding myself duplicating a lot of code between ItemTemplate and AlternatingItemTemplate templates (I'll be posting the sample application...
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CS300 Course Samples by dwahlin

Thanks to everyone that attended the CS300 class last week at Interface Technical Training . I had a great time and enjoyed meeting everyone. You can download the on-the-fly demos relating to ADO.NET, events, Web Services and the BackgroundWorker here...
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