Best Practice for File Upload

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HI

I currently run a process where i export a file to an FTP server and another process that collects the file.

As the process runs every 5mins i found sometimes that the file being uploaded to the FTP server is sometimes not yet completed before the other process starts running so only half the file gets collected from the FTP.

What would be the best way for me to ensure that the complete file gets picked up?

Posted 8-Apr-14 20:51pm

isi19

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Bernhard Hiller · Answer 1 · 2014-04-08T21:22:00

Strange that you do not get an ACCESS DENIED error. I suggest the "second process" to check for full access to the file first, by creating a FileStream with FileShare.None. If that fails, wait a few seconds, then try again till a timeout or full access. Only then start the actual processing.