Download "Xap" Packages on Demand in Silverlight

IntroductionThis article introduces a method to download and use "xap" packages on demand in Silverlight.BackgroundTo run a Silverlight application, browsers need to download the "xap" packages generated by the Silverlight projects. When developing a Silverlight application, developers can put all the "User Controls" and other resources in a single "xap" package. They can also choose to put these