How to Read a Binary File Over HTTP and Write to Disk Using ASP.NET and C#

Updated on 11/18/2009 at 5:34PM EST

Have you ever had the need to grab a binary file from a remote server over HTTP, and save it to your server, using ASP.NET? It may not sound like a common request, or even a difficult one. But there are a few tricks to accomplishing your goal. One challenge I encountered was that using a BinaryReader required some buffering code. A blind call to read the stream would often only return a portion of the file.