Just so I don’t forget how to do these things…

Remove quotes:
SET Line=”C:\Program Files\”
SET Line=%Line:”=%
echo %Line% — will output: C:\Program Files\

Remove a trailing backslash:
SET Line=C:\Windows\
IF “%Line:~-1%”==”\” SET Line=%Line:~0,-1%
echo %Line% — will output: C:\Windows

A couple of my old posts have been published on ASPAlliance.com!

Getting the most out of Windows Forms Data Binding
Handling Windows Forms Data Binding Errors