How to use a .NET 4.0 web application within a .NET 3.5 web application?

Question

My company has a website built in ASP.NET and targets .NET 3.5. It is too mangled and massive to be converted to .NET 4 in a timely manner. I am tasked with building a ticketing

Answer 1

In my applications I more or less succeed with nested applications by using the element together with and similar elements in the web.config.

This is an excerpt from a web.config file of mine:

...


    
        ...

The idea is to put all sections that you do not want to inherit to child applications within those location elements, as in my example above.