c# - How to save uploaded file in different name with actual physical path in asp.net? -


i have file upload in code. want save file in different name (i.e patient id + timestamp) not save uploaded file in actual physical location. shows format not correct.

here location , deptcode taken session.and mainpath taken variable defined in web.config. thats base path. base path creating sub folders not there , have save uploaded file in different name. values correct.even create subfolders if not there ,but problem saveas line. cannot save uploaded file. here if use saveas(server.mappath(..)) shows u should use virtual path. if use saveas(filelocation) shows format wrong..please me..

string timestamp = datetime.now.tostring(); return thing 5/15/2013 10:14:18 am. window folder , file can not contain following characters: \ / : * ? " < > | , datetime.nowreturing 1 of this character : , / why giving error.remove : datetime.now.tostring().replace(':','-').replace('/','-'); think work.


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