void ImagesListView_ItemCommand(object sender, RadListViewCommandEventArgs e)
{
if (e.CommandName == "DownloadAllAsZip")
{
RadListViewDataItem item = ListViewAlbums.SelectedItems[0];
int parentID = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
string albumName = item.GetDataKeyValue("Name").ToString();
List <DataContext.Image> allImagesFromAlbum = (from a in context.Images
where a.AlbumID == parentID
select a).ToList();
MemoryStream memStream = new MemoryStream();
Package = ZipPackage.Create(memStream);
foreach (var image in allImagesFromAlbum)
{
Stream stream = new MemoryStream(image.Data);
Package.AddStream(stream, image.FileName);
}
Package.Close(false);
memStream.Position = 0;
if (memStream != null && memStream.Length > 0)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment; filename=" + albumName + ".zip");
Response.ContentType = "application/zip";
Response.BinaryWrite(memStream.ToArray());
Response.End();
}
}
if (e.CommandName == "DownloadImage")
{
RadListViewDataItem item = e.ListViewItem as RadListViewDataItem;
int imageID = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
DataContext.Image image = (from i in context.Images
where i.ID == imageID
select i).First();
byte[] data = image.Data;
string name = image.FileName;
if (data != null && data.Length > 0)
{
Response.Clear();
Response.ContentType = "application/octet-stream";
Response.AddHeader("content-disposition", "attachment; filename=" + name);
Response.BinaryWrite(data);
Response.End();
}
}
}
public void Save(object parameter)
{
PersistenceManager manager = new PersistenceManager();
this.compressedStream = new MemoryStream();
ZipPackage zipPackage = ZipPackage.Create(this.compressedStream);
this.rawStream = manager.Save(parameter);
this.rawStream.Position = 0L;
zipPackage.AddStream(this.rawStream, "persistence", ZipCompression.Default, DateTime.Now.Date);
zipPackage.Close(false);
this.UncompressedSize = this.rawStream.Length;
this.CompressedSize = this.compressedStream.Length;
}
void ImagesListView_ItemCommand(object sender, RadListViewCommandEventArgs e)
{
if (e.CommandName == "DownloadAllAsZip")
{
RadListViewDataItem item = ListViewAlbums.SelectedItems[0];
int parentID = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
string albumName = item.GetDataKeyValue("Name").ToString();
List<DataContext.Image> allImagesFromAlbum = (from a in context.Images
where a.AlbumID == parentID
select a).ToList();
MemoryStream memStream = new MemoryStream();
Package = ZipPackage.Create(memStream);
foreach (var image in allImagesFromAlbum)
{
Stream stream = new MemoryStream(image.Data);
Package.AddStream(stream, image.FileName);
}
Package.Close(false);
memStream.Position = 0;
if (memStream != null && memStream.Length > 0)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment; filename=" + albumName + ".zip");
Response.ContentType = "application/zip";
Response.BinaryWrite(memStream.ToArray());
Response.End();
}
}
if (e.CommandName == "DownloadImage")
{
RadListViewDataItem item = e.ListViewItem as RadListViewDataItem;
int imageID = Convert.ToInt32(item.GetDataKeyValue("ID").ToString());
DataContext.Image image = (from i in context.Images
where i.ID == imageID
select i).First();
byte[] data = image.Data;
string name = image.FileName;
if (data != null && data.Length > 0)
{
Response.Clear();
Response.ContentType = "application/octet-stream";
Response.AddHeader("content-disposition", "attachment; filename=" + name);
Response.BinaryWrite(data);
Response.End();
}
}
}
