How to read file from zip folder without extracting in asp.net 2 using C#

Question

I want to read a file from a zip folder in Asp.net 2.0 using C# . actually i want something like this :

using (ZipFile zip = ZipFile.Open(@"E:\MyZipFolder.ZIP", FileAccess.Read))
{
    // Read the central directory collection
    List<ZipFile.ZipFileEntry> dir = zip.ReadCentralDir();

    // Look for the desired file
    foreach (ZipFile.ZipFileEntry entry in dir)
    {
        if (Path.GetFileName(entry.FilenameInZip) == "MyZipFile.jpg")
        {
            // File found, extract it
            zip.ExtractStoredFile(entry, @"E:\ExtractFolder\MyZipFile.jpg");
            break;
        }
    }
}

ZipFile is unknown , is there any suggestion?

You could also check the System.IO.Packaging classes in .NET 3.0+ — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Dec 28, 2012 at 10:06

citronas · Accepted Answer · 2013-01-02 12:29:35Z

2

Have a look into DotNetZip Library instead.

To use the zip capability in your applications, you need to be using the .NET Framework 2.0 or later, and you need the DotNetZip Devkit assembly.

Edit: To extract a file by name:

From http://dotnetzip.herobo.com/DNZHelp/Index.html# "Navigation: Code Examples -> C#"

using (ZipFile zip = ZipFile.Read(ExistingZipFile))
{
  ZipEntry e = zip["MyReport.doc"];
  e.Extract(OutputStream);
}

edited Jan 2, 2013 at 12:29

answered Dec 28, 2012 at 10:25

citronas

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1 Comment

user1073024 Over a year ago

I Use .net framework 2.0 and download ionic.zip.dll but actually i want to know how can i extract just one of those files which are in a zip file because my zip file is too large and i don't want to extract all files in my web application . please guide how can i do it .

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