Unicode in Content-Disposition header

Question

I am using HttpContext object implemented in HttpHandler child to download a file, when I have non-ascii characters in file name it looks weird in IE whereas it looks fine i

Answer 1

For Asp.Net Core (version 2 as of this post) UrlPathEncode is deprecated, here's how to achieve the desired result:

System.Net.Mime.ContentDisposition cd = new System.Net.Mime.ContentDisposition
{
   FileName = Uri.EscapeUriString(fileName),
   Inline = true  // false = prompt the user for downloading;  true = browser to try to show the file inline
};

Response.Headers.Add("Content-Disposition", cd.ToString());