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Unable to open zip files using window Extract All or double click[opens in 7 zip]

Apr 5, 2013 at 12:57 PM
Zip created by using DotNetZip does not open using window extract all or double click, but it unzipped with 7 zip.
We converted DataTable to Csv by using an extension method, Added csv to a zip.
 string TestCsv = extensionMethods1.ToCsv(TestDataTable);

 string archiveName = String.Format("TestInfo-{0}.zip", DateTime.Now.ToString("yyyy-      MM-dd-HHmmss"));

  Response.ContentType = "application/zip";
  Response.AddHeader("content-disposition", "filename=" + archiveName);

  using (ZipFile TestZip = new ZipFile())
        TestZip.AddEntry("test1.csv", TestCsv);
The downloaded zip extracted successfully using 7 zip but does not open using windows Extract All or by double clicking.

Please suggest if something is missing in the code,

Jul 24, 2014 at 3:59 AM
Edited Jul 24, 2014 at 3:59 AM
Try to use Response.End(); instead :)