c# - File locked after sending it as attachment -

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i sending file attachment:

            // create  file attachment e-mail message.             attachment data = new attachment(filepath, mediatypenames.application.octet);             // add time stamp information file.             contentdisposition disposition = data.contentdisposition;             disposition.creationdate = system.io.file.getcreationtime(filepath);             disposition.modificationdate = system.io.file.getlastwritetime(filepath);             disposition.readdate = system.io.file.getlastaccesstime(filepath);             // add file attachment e-mail message.             message.attachments.add(data);

and want move file folder, when try this

                    try                     {                         //file.open(oldfullpath, filemode.open, fileaccess.readwrite,fileshare.readwrite);                         file.move(oldfullpath, newfullpath);                      }                     catch (exception ex)                     {                     }

its throwing exception file being used in process. how can unlock file can moved location?

disposing message fix you. try calling dispose on message before moving file, so:

message.dispose(); file.move(...)

when disposing mailmessage, locks , resources released.


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