public void DownloadFile(string filePath)
{
//Stream fileStream = azureServices.GetStream(filePath);
//fileStream.Position = 0;
// Buffer to read 10K bytes in chunk:
int chunkSize = 1024 * 1024;
byte[] buffer = new Byte[chunkSize];
// Length of the file:
long totalLength = dataServices.GetBlobSizeInBytes(filePath);
// Total bytes to read:
long dataToRead = totalLength;
long currentPosition = 0;
try
{
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + Utility.GetFileName(filePath));
// Read the bytes.
while (dataToRead > 0)
{
// Verify that the client is connected.
if (Response.IsClientConnected)
{
// Read the data in buffer.
//length = fileStream.Read(buffer, 0, 10000);
long readLength = dataServices.GetBlobRangeToArrayByte(filePath, buffer, currentPosition, chunkSize);
currentPosition += readLength;
// Write the data to the current output stream.
Response.OutputStream.Write(buffer, 0, (int)readLength);
// Flush the data to the HTML output.
Response.Flush();
buffer = new Byte[chunkSize];
dataToRead = dataToRead - readLength;
}
else
{
//prevent infinite loop if user disconnects
dataToRead = -1;
}
}
}
catch (Exception ex)
{
// Trap the error, if any.
Response.Write("Error : " + ex.Message);
}
finally
{
/*
* if (fileStream != null)
* {
* //Close the file.
* fileStream.Close();
* }*/
Response.Close();
}
// HttpContext.Response.ContentType = new FileStreamResult(fileStream);
//string mime = MimeMapping.GetMimeMapping(filePath);
//return new FileStreamResult(fileStream, mime);
}
