Files and folders in File Manager are not displayed in Roxy file manager in MVC?

I project myself that I used the MVC used for managing files from Roxy File Manager! Everything is correct and complete project works! My problem is when the server I'm Publish project was a project file, but the file does not show !!!!! I do not know where is the problem? I "main.ashx" settings is as follows got the "GetFilesRoot"

ret = _context.Server.MapPath("/Uploads/Web");

This is when the host is not the answer! I also tried different ways !!

With ~ no ~

With . . Without . .

First /

The first / deleted

Just put ~

I tried every way I knew it was not OK, but that was not

It's my system files run the show

It does not run on the server where the file

Probably your web server doesn't know how to serve .json files.

• Open IIS Manager.
• Display properties for the IIS Server.
• Click MIME Types and then add the JSON extension: File name extension: .json and MIME type: application/json

More info