Getting U+fffd/65533 instead of special character from Query String

Question

I have a C# .net web project that have a globalization tag set to:

Answer 1

If the app is expecting the URL-encoded request to be based on UTF-8, the character "ø" should be "%C3%B8", not "%F8". Whatever function you're using to escape/encode that request, you probably need to pass it the name of the underlying character encoding, "UTF-8".