title: Exception thrown: 'System.Web.HttpUnhandledException' in System.Web.dll
body: <p>I was working on a web application on a Three tier architecture and also use a web service in the Business layer and run it on top of <code>.Net framework 4.0</code>. The application was running fine on <code>Visual studio 2012</code>. </p>
  
  <p>I updated to Visual studio 2015 and all of a sudden I get this error: </p>
  
  <blockquote>
    <p>Exception thrown: 'System.Web.HttpUnhandledException' in
    System.Web.dll</p>
  </blockquote>
  
  <p>I am not able to find as to where the code is being broken.</p>