• HTML server control <input type=file id="myFile" runat=server />. • server side, it is available as. myFile.PostedFile.SaveAs ("DestinationPath") • Form should have the following ENC Type <form enctype="multipart/form-data" runat="server"> setting particular filetypes like *.txt is not allowed. On failure, if page posts back -- user may have to reenter the data. Plan for workarounds.