/// <summary>
/// Handles the Click event of the btnExportData control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
protected void btnExportData_Click(object sender, EventArgs e)
{
string backupFilename = "GalleryServerBackup_" + DateTime.Now.ToString("yyyy-MM-dd_HHmmss", CultureInfo.InvariantCulture);
IBackupFile bak = new BackupFile();
bak.IncludeMembershipData = chkExportMembership.Checked;
bak.IncludeGalleryData = chkExportGalleryData.Checked;
var galleryData = bak.Create();
IMimeType mimeType = Factory.LoadMimeType("dummy.zip");
int bufferSize = AppSetting.Instance.MediaObjectDownloadBufferSize;
byte[] buffer = new byte[bufferSize];
Stream stream = null;
try
{
// Create an in-memory ZIP file.
stream = ZipUtility.CreateZipStream(galleryData, backupFilename + ".xml");
// Send to user.
Response.AddHeader("Content-Disposition", "attachment; filename=" + backupFilename + ".zip");
Response.Clear();
Response.ContentType = (mimeType != null ? mimeType.FullType : "application/octet-stream");
Response.Buffer = false;
stream.Position = 0;
int byteCount;
while ((byteCount = stream.Read(buffer, 0, buffer.Length)) > 0)
{
if (Response.IsClientConnected)
{
Response.OutputStream.Write(buffer, 0, byteCount);
Response.Flush();
}
else
{
return;
}
}
}
finally
{
if (stream != null)
stream.Close();
Response.End();
}
}
