title: Silverlight project will only work with Silverlight assemblies
body: <p>Now a days, I make one application in Silverlight to get Emails from MS Exchange Server online. So first i create Silverlight Application in Visual Studio 2010. Now Issue is that when i add reference Microsoft.Exchange.Webservice.dll to silverlight application so error shown below:
  "You cant add a reference to Microsoft.Exchange.Webservice.dll as it was not built against the Silverlight runtime. Silverlight project will only work with Silverlight assemblies".
  I have searched error but failed to solve this issue.. please help me..</p>