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我有一个 silverlight 项目,当我独立运行它(即运行实例)时,它可以完美运行,但是当我从我的 MVC 网站运行它时,它会出现一个异常,上面写着

Unhandled Error in Silverlight 2 Application
Object reference not set to an instance of an object.
   at TakingMyPicture.MainPage..ctor()
   at TakingMyPicture.App.Application_Startup(Object sender, StartupEventArgs e)
   at MS.Internal.CoreInvokeHandler.InvokeEventHandler(UInt32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)
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