Hi
we have requirement where have to upload multiple files to list item through c# Server object model .
http://adicodes.com/multiple-files-upload-control-in-sharepoint/#comment-21879
we are using above code to upload file , however file is getting uploaded successfully , but when we download and tries to open file we get error like "File extension and fileformat does not match then file gets open but with junk data this happens only with the excel and MS office files
however HTML , CSS and other files opens successfully with proper data in it.
Please mark answer , if you think answer is helpful or correct.