Cacher is the code snippet organizer for pro developers

using Microsoft.SharePoint;

if( htmlInputFile1.PostedFile != null )
{
          SPWeb site = new SPSite(destinationURL).OpenWeb(); 
          Stream stream = htmlInputFile1.PostedFile.InputStream;

          byte[] buffer = new bytes[stream.Length];

          stream.Read(buffer, 0, (int) stream.Length);

          stream.Close();

          site.Files.Add(destinationURL, buffer);
}