Microsoft.practices.composite. Unity Extensions
Follow below steps as documented in:- 1.In Visual Studio, create a new Silverlight application. To do this, point to New on the File menu, and then click Project.
In the Project types list, click Silverlight in the Visual C# node. In the Templates box, click Silverlight Application. Finally, set the project's name, such as CALApplication1, specify a valid location, and then click OK. This project will be the Shell project of your application. All Links From A Website Chrome. 2.On the Add Silverlight Application dialog box, make sure the Add a new ASP.NET Web project to the solution to host Silverlight option is selected, and then click OK.

Where to find Microsoft.Practices.Composite.UnityExtensions.dll for Microsoft.Practices.Unity.dll thats of version 2.1.505.2. I was using 1.2.0.0 version of unity dll. Repair Microsoft.Practices.Composite.UnityExtensions.dll not found or missing error in Windows by downloading Microsoft.Practices.Composite.UnityExtensions.dll.
3.(Optional) In Windows Explorer, create a folder named Library inside your solution's folder, and then copy the following assemblies into the folder ◦Microsoft.Practices.Composite.UnityExtensions.dll. Durlabh Kundli Pro Software. This assembly contains base and utility classes you can reuse in applications based on the Composite Application Library for Silverlight that consume the Unity Application Block. For example, it contains a bootstrapper base class, the UnityBootstrapper class, that creates and configures a Unity container with default services when the application starts.