protected void Page_Load(object sender, EventArgs e)
{
try
{
var lstFacturas = Request["Facturas"];
var files = GeneralBL.GetInvoiceFiles(lstFacturas, ((Users)Session["CCFNUser"]).UserId);
if (files.Rows.Count > 0)
{
var lstParameters = ParameterBL.GetParameters();
var filesPath = lstParameters.Where(p => p.Name.Equals("FilesPath")).FirstOrDefault().Value;
var memStream = new MemoryStream();
using (var archive = new ZipArchive(memStream, ZipArchiveMode.Create, true, null))
{
foreach (DataRow row in files.Rows)
{
if (File.Exists(filesPath + row["RFC"] + "\\" + row["PDF"]))
{
using (var entry = archive.CreateEntry(row["PDF"].ToString()))
{
using (var stream = new MemoryStream(File.ReadAllBytes(filesPath + row["RFC"] + "\\" + row["PDF"])))
{
var writer = new BinaryWriter(entry.Open());
writer.Write(stream.ToArray());
writer.Flush();
}
}
}
if (File.Exists(filesPath + row["RFC"] + "\\" + row["XML"]))
{
using (var entry = archive.CreateEntry(row["XML"].ToString()))
{
using (var stream = new MemoryStream(File.ReadAllBytes(filesPath + row["RFC"] + "\\" + row["XML"])))
{
var writer = new BinaryWriter(entry.Open());
writer.Write(stream.ToArray());
writer.Flush();
}
}
}
}
}
memStream.Seek(0, SeekOrigin.Begin);
if (memStream != null && memStream.Length > 0)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment; filename=facturas.zip");
Response.ContentType = "application/zip";
Response.BinaryWrite(memStream.ToArray());
Response.End();
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}