title: Why the ' ', hexadecimal value 0x0C, is an invalid character. Line 1, position 1. throws in WPF
body: <p>When i load a xxxx.XAML into WPF frame it throws the error <code>' ', hexadecimal value 0x0C, is an invalid character. Line 1, position 1.</code> how to find which is causing the problem. when the xxxx.XAML is in another project's start page, it works fine, when i load that condent of xxxx.XAML in arother project  means it throws an error why this is happening ?</p>
  
  <p>And also i upgrade my project from vs 2010 to vs 2012</p>