title: How to pass Credentials to WCF service for Windows Authentication from Silverlight
body: <p>I have enabled my WCF service for Windows Authentication. How can I pass Credentials to Service from From Silverlight application.
  For Credentials I can get User name and domain by code <em>WebContext.Current.User.DisplayName</em>. But how I will get client password through code.
  <em>serviceClient.Credentials = newSystem.Net.NetworkCredential("UserName", "Password", "Domian");</em></p>