Greg Does IT

private void UploadFile()
{
FileStream _data; // The file stream to be read
string uploadUri;
 
byte[] fileContent = new byte[_data.Length]; // Read the contents of the stream into a byte array
_data.Read(fileContent, 0, _data.Length);
 
WebClient wc = new WebClient();
wc.OpenWriteCompleted += new OpenWriteCompletedEventHandler(wc_OpenWriteCompleted);
Uri u = new Uri(uploadUri);
wc.OpenWriteAsync(u, null, fileContent); // Upload the file to the server
}
 
void wc_OpenWriteCompleted(object sender, OpenWriteCompletedEventArgs e) // The upload completed
{
if (e.Error == null)
{
  // Upload completed without error
}

public const int CHUNK_SIZE = 4096;
public const string UPLOAD_URI = "http://localhost:55087/FileUpload.ashx?filename={0}&append={1}";
private Stream _data;
private string _fileName;
private long _bytesTotal;
private long _bytesUploaded;
 
private void UploadFileChunk()
{
    string uploadUri = ""; // Format the upload URI according to wether the it's the first chunk of the file
    if (_bytesUploaded == 0)
    {
        uploadUri = String.Format(UPLOAD_URI,_fileName,0); // Dont't append
    }
    else if (_bytesUploaded < _bytesTotal)
    {
        uploadUri = String.Format(UPLOAD_URI, _fileName, 1); // append
    }
    else
    {
        return;  // Upload finished
    }
 
    byte[] fileContent = new byte[CHUNK_SIZE];
    _data.Read(fileContent, 0, CHUNK_SIZE);
 
    WebClient wc = new WebClient();
    wc.OpenWriteCompleted += new OpenWriteCompletedEventHandler(wc_OpenWriteCompleted);
    Uri u = new Uri(uploadUri);
    wc.OpenWriteAsync(u, null, fileContent);
    _bytesUploaded += fileContent.Length;
}
 
void wc_OpenWriteCompleted(object sender, OpenWriteCompletedEventArgs e)
{
    if (e.Error == null)
    {   
        if (_bytesUploaded < _bytesTotal)
        {
            UploadFileChunk();
        }
        else
        {
            // Upload complete
        }
    }
}

public void ProcessRequest(HttpContext context)
{
    if (context.Request.InputStream.Length == 0)
        throw new ArgumentException("No file input");
    if (context.Request.QueryString["fileName"] == null)
        throw new Exception("Parameter fileName not set!");
 
    string fileName = context.Request.QueryString["fileName"];
    string filePath = @HostingEnvironment.ApplicationPhysicalPath + "/" + fileName;
    bool appendToFile = context.Request.QueryString["append"] != null && context.Request.QueryString["append"] == "1";
 
    FileMode fileMode;
    if (!appendToFile)
    {
        if (File.Exists(filePath))
            File.Delete(filePath);
        fileMode = FileMode.Create;
    }
    else
    {
        fileMode = FileMode.Append;
    }
    using (FileStream fs = File.Open(filePath, fileMode))
    {
        byte[] buffer = new byte[4096];
        int bytesRead;
        while ((bytesRead = context.Request.InputStream.Read(buffer, 0, buffer.Length)) != 0)
        {
            fs.Write(buffer, 0, bytesRead);
        }
        fs.Close();
    }
}

<?php
//  This is the most basic of scripts with no try catches
$filename = isset($_REQUEST["filename"]) ? $_REQUEST["filename"] : "jjj";
$append = isset($_REQUEST["append"]);
try
{
	if(!$append)
		$file = fopen($filename,"w");
	else
		$file = fopen($filename,"a");
	$input = file_get_contents ("php://input");
	fwrite($file,$input);
	fclose($file);
}
catch (Exception $e) 
{
	echo 'Caught exception: ',  $e->getMessage(), "\n";
}
?>