search for the follow pattern in aspx/ascx files:
<%$ Resources: Class, Key %>
http://msdn.microsoft.com/en-us/library/vstudio/ms227427.aspx
search "Class.Key" also in content files with .cshtml extensions.
<%$ Resources: Class, Key %>
http://msdn.microsoft.com/en-us/library/vstudio/ms227427.aspx
search "Class.Key" also in content files with .cshtml extensions.