Can't open vs2003 project in vs2013

Question

I have couple of VS2003 web applications projects and can't open them in VS2013. Every time I get the following:

What modification should I make in .csproj file to be able open project in VS2013?

Answer 1

I had this issue before, I recommend creating a new project with the correct .net framework, guessing .net 2.0, and then copy the files from the old project into the new project.