I am using ASP.NET MVC 3. The application is targeting .net 4.0.
I was trying to pass a virtual path as argument to my controller\'s action and return the file without r
If you are using .net 4.5 there is a function now that takes a filename and returns a mimetype:
MimeMapping.GetMimeMapping(filename)
http://msdn.microsoft.com/en-us/library/system.web.mimemapping.getmimemapping.aspx
Take a look at the function later in this question:
How to use Generic Handlers (ASHX) in ASP.NET MVC?
It is a little out of date with the list of file types now but it's a start, will try to find my more recent one.