It’s impossible to have a typical forms over data business application without handling validation in the UI. Silverlight 3 has excellent simple to use support for implementing validation in your code. This post will show a simple scenario to implement data validation. The code for this post can be found here. Steps: 1. Create a Silverlight application. 2. Add a class called Person and add the following code to the Person class: private string firstName; private string lastName; private string email;...

Many business applications need the ability to open and save files from and to the user’s local computers. With internet based applications the issues surrounding this are based on security and the rights the application receives to affect the user’s computer. Silverlight has the open and save file dialogs which enable the opening and saving of files to the user’s computer, while restricting the need for the application developer to need to know anything about the client environment. This post will...