void btnExport_Click(object sender, EventArgs e)
{
if (CurrentForm != null)
{
string fileName = string.Concat("_", CurrentForm.Name, DateTime.UtcNow.ToString("yyyy_MM_dd___HH_mm_ss"), ".csv");
var csv = new SNC.File(CurrentForm);
csv.Name = fileName;
csv.Binary = new BinaryData();
csv.Binary.FileName = fileName;
csv.Binary.ContentType = "application/vnd.ms-excel";
string text = GetCSV(CurrentForm);
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream, Encoding.GetEncoding("windows-1250"));
writer.Write(text);
writer.Flush();
csv.Binary.SetStream(stream);
csv.Save();
//HttpContext.Current.Response.ClearHeaders();
//HttpContext.Current.Response.Clear();
//HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + csv.Name);
//HttpContext.Current.Response.AddHeader("Content-Length", csv.Binary.Size.ToString());
//HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
//HttpContext.Current.Response.Write(new BinaryReader(csv.Binary.GetStream()).ReadString());
//HttpContext.Current.Response.End();
(this.Parent as SingleContentView).OnUserAction(sender, "cancel", "Click");
}
}
private void CreateOrModifyCacheFile(BinaryData cacheBinary, bool compress)
{
SN.File f = null;
MemoryStream cacheStream = new MemoryStream();
if (compress)
{
GZipOutputStream gzipStream = new GZipOutputStream(cacheStream);
byte[] buff = Encoding.ASCII.GetBytes(this._content.ToCharArray());
gzipStream.Write(buff, 0, buff.Length);
gzipStream.Flush();
gzipStream.Close();
// set compressed binary
byte[] compressedData = cacheStream.ToArray();
cacheBinary.SetStream(new MemoryStream(compressedData));
}
else
{
cacheBinary.SetStream(Tools.GetStreamFromString(_content));
}
// gets cache file or creates a new one, the new stream will be saved in both cases
if (!Node.Exists(FullCacheFilePath))
{
f = SN.File.CreateByBinary(this.CacheFolder, cacheBinary);
f.Name = _cacheFile;
}
else
{
f = Node.Load <SN.File>(this.FullCacheFilePath);
f.Binary = cacheBinary;
}
f.Save();
}
