Plupload - handling POST request in ASP.NET

gistfile1.cs

var chunk = Request.Form["chunk"] != null ? int.Parse(Request.Form["chunk"]) : 0;

var fileName = Request.Form["name"] ?? "";

//open a file, if our chunk is 1 or more, we should be appending to an existing file, otherwise create a new file
var fs = new FileStream(Server.MapPath("/files/" + fileName), chunk == 0 ? FileMode.OpenOrCreate : FileMode.Append);

//write our input stream to a buffer
var buffer = new Byte[Request.Files[0].InputStream.Length];
Request.Files[0].InputStream.Read(buffer, 0, buffer.Length);

//write the buffer to a file.
fs.Write(buffer, 0, buffer.Length);
fs.Close();