What Is an ASHX File?
The functions in the file are written in the C# programming language.
ASHX or PDF?

ASHX files aren’t intended to be viewed or opened by a web internet tool.
There’s more on this point, below.
So renaming the file is just you doing the last step yourself.
You should be able to fix this glitch by switching the online window to use theAdobe PDF plug-ininstead.
Aconversion toolis necessary for true file conversions.
Still Can’t Open It?
If you might’t open your file, double-check that you’re actually using an ASHX file.
Some files use a file extension thatlookslike this, but function entirely differently.
In each of those cases, a different program is required to bring up the file.
The same is true if you have an ASX,ASCX, ASHBAK, orAHXfile.
it’s possible for you to also open an ASHX file in a web web app on your Mac.
Your PDF reader will open; from there, save the file as PDF to your local drive.
Another option to try: rename the file as a .pdf, then open it in Adobe Reader.
To create a generic handler (ASHX file), pressControl+N.
Then, underWeb>C#, select theGeneric Handlertemplate.