Cannot access the file because it is being used by another process

Question

My web method creates a pdf file in my %temp% folder and that works. I then want to add some custom fields (meta) to that file using the code below.

The class

Answer 1

I suggest you to use the FileShare enumerator when you open the file, so Try to open a file with None sharing

   File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.None);