In this blog post, we are going to see how and when  Dependency Injection (DI) and Inversion of Control(IoC) can be applied for writing nice and maintainable code. Note that although there are plenty of tools out there that give you the ability to apply DI out of the box, in this post we are go... [More]

In this post, we see how to define specific actions to be executed before or after the execution of every call to a method in our code. This is also known as “intercepting” the execution of a method and is related to AOP (Aspect Oriented Programming). We will explore two different ways o... [More]

Say you are implementing software for a company that rents items. And you are presented with some bizarre and complex logic on the way renting fees are calculated. To be more specific requirements come to you in the following form: “I want a renting fee scenario where an item for the first mo... [More]

A typical implementation of an entity that supports the INotifyPropertyChanged interface for WPF Binding is for example as follows: [code:c#] public class Detail:INotifyPropertyChanged {     private long _iD;     public virtual long ID     {  ... [More]

There are times when you need a  task to execute periodically. There are two ways of achieving this: Use the System.Windows.Threading.DispatcherTimer Use the System.Threading.Timer Say now that you want to implement a class the executes DoSomething() periodically and also in... [More]

  In the previous post, we have discussed some issues that emerged from a conversation with my friend Jack. In this post we will explore a little bit his following statement: Jack: Well(…) I have created a BO (a simple one, mapped to a single table in the DB) and created a ver... [More]

  A few days ago, I was having some drinks with a friend (let’s call him Jack) in a bar discussing about enterprise application development and the migration from DataSets with VS to Business Objects with NHibernate. I will try to reproduce the conversation here: Jack:  Oh... [More]

DownLoad in .pdf (145,97 kb) This post provides the basic key points in order to understand the WPF XAML syntax and what is going on behind the scenes in the XAML Processor. Although you may be the kind of guy/girl who prefers to learn through writing/reading code, I recommend reading this art... [More]

I have been searching for some time for a neat html code generator from C# code that supports syntaxt highlighting, in order to use it in BlogEngine.Net. The previous posts in this article have been written by applying the usual _[_code:cs]...[_/code] tags. Unfortunately this approach does not alway... [More]