Right so if you're seeing a blob then you have a field that is taking blob data.
What are you putting into it - from the code you've shown above, it looks like you're storing the filename and path yet from the code in your previous topic you were storing the file itself in the blob field. Which is it?
My helpful sig is on vacation trying to loose some weight. It got a bit fat and caused a few problems but it will be back at some point!