Writing code that builds SQL is a powerful technique, but it can also be risky. Failing to implement these techniques could leave your database open to attack by SQL injection. Read on to learn how to secure dynamic SQL from SQL injection vulnerability.

Windows Presentation Foundation provides a simple way to validate user input on your data-bound controls, and it's completely customizable, too. By writing a custom class deriving from ValidationRule, and adding an error template to our control, we can have consistent UI notification of invalid input according to our specific needs.

Lino Tadros, President and CEO of Falafel Software, has been invited to speak at the DevReach conference in Sofia, Bulgaria

When your WPF project gets large with a well structured class diagram, you may run into a case where you need to add a dependency property to a class that it is not convenient to inherit from a dependency object. In that case you need a little help from a helper class. I recently ran into this little problem and came up with this class.

For those of use whose first language is something other than XAML, the default control template styles generated in Expression Blend are pretty intimidating. There has got to be a simpler place to start. Well, there is! It's a handy little download you can get straight from your Visual Studio help called ControlTemplateExamples.

.NET 3.5 includes new abilities to easily leverage web services and Windows Communication Foundation (WCF) services from AJAX enabled web applications.

By the time I found the handy JavaScriptSerializer class, it had been introduced, deprecated and brought back from the hellish purgatory where Microsoft keeps objects that have outlived their usefulness.

So, let's say you've got a UserControl in a project that you would like to reference using interfaces without a direct reference to the UserControl's project. Now say you want to bind to a DependencyProperty in the UserControl. An interface to the UserControl doesn't help with the DependencyProperty. When I tackled this issue, I was unable to find any example of it anywhere on the Internet.

Most of my development is web apps, so when I was working on a windows app for a customer today, I noticed that there was an extra file or two being generated with the name of the app followed by ".vshost.exe".

Is your desktop full of Icons and Shortcuts? Then read on for some neat little apps to help get your ducks in a row.