Drupal

I've wrote a simple class with one function called Sum.  The function demands two numbers and returns the sum of the two numbers.  On my form I have two textboxes to insert the numbers, and one textbox that shows the result.  Nothing really special, isn't it? Well, I use databinding in XAML to call and execute the function Sum.  So, I don't need any code behind ( except the code for the function ).  This is a simple example, but the same technique can be used to fill a combobox or listbox with an array, collection, hashtable,... You can download the tutorial and the entire source code:

• the PDF tutorial ( 478 KB )
• the source code ( 48 KB )