User-544697354 posted
My site was built in vs 2008 and I just opened it in vs2010 and I am getting an error on every single page.
This line of code:
<%@ Master
Language="C#"
AutoEventWireup="true"
CodeFile="MasterPage.master.cs"
Inherits="MasterPage"
%>
has the error: ASP.net runtime error: illegal characters in path