Visual Studio LightSwitch is a new tool for building data-driven Silverlight Application using Visual Studio IDE. It automatically generates the User Interface for a DataSource without writing any code. You can write a small amount of code also to meet your requirement. <br/><br/> In this chapter, I will guide you to create a List and Details screen using LightSwitch. This will show you how to integrate two or more tables into a single screen. Also, we will discuss on some custom validation. These all steps are without writing any code. We will use just the tool to improve our existing application. Read to Learn more about it.