how to add file name in zip folder with same file name in c#

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i want to add same file name in zip folder. but when i add 2nd file in zip.save(responce.outputstream). it gave an error thane same file name already exists.what should i do ????

Posted 3-Jan-14 19:45pm

Member 10494762

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Sergey Alexandrovich Kryukov 4-Jan-14 1:49am

What library do you use for doing ZIP? Any code sample?
The answer is simple: you have a bug. Due to recent Christmas and New Year events, my access to your hard drive through the chimney is somewhat limited. Ho-ho-ho!
—SA

Member 10494762 4-Jan-14 1:59am

merry Christmas and happy new year to u too ..:)
my code is like..

using System.IO.Compression;
using Ionic.Zip;

multipleFiles.AddFile(doc1, string.Empty);
multipleFiles.AddFile(doc1, string.Empty); //here it says file name already exists

multipleFiles.Save(Response.OutputStream);
HttpContext.Current.Response.End();

Sergey Alexandrovich Kryukov 4-Jan-14 2:01am

I don't know what is Ionic.Zip. Any links?
—SA

Member 10494762 4-Jan-14 2:06am

ok... can u please gave any suggestion what dll should i use for zip which are also capable of zip with the same file name. apart from Ionic.Zip

Member 10494762 4-Jan-14 2:13am

thanks 4 ur reply..i got the solitions

multipleFiles.AddFile(doc1, string.Empty);//here i user folder name on(string.Empty)..it will create directory and save file inside the directory

multipleFiles.AddFile(doc1, "foldername"); //here it says file name already exists

Sergey Alexandrovich Kryukov 4-Jan-14 2:17am

Done. If you find this information useful, please don't forget to accept the answer formally (green "Accept" button).
—SA

Member 10494762 4-Jan-14 2:18am

ok sir done...

Sergey Alexandrovich Kryukov 4-Jan-14 2:26am

Great. Good luck.
—SA

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Sergey Alexandrovich Kryukov · Accepted Answer · 2014-01-03T20:16:00

Member 10494762 wrote:
…can u please gave any suggestion what dll should i use for zip which are also capable of zip with the same file name apart from Ionic.Zip?

Certainly.

You can use #ziplib:
http://www.icsharpcode.net/opensource/sharpziplib/[^].
Another option is using SevenZipSharp, a .NET wrapper of the famous 7-Zip:
http://en.wikipedia.org/wiki/7-Zip[^],
http://sevenzipsharp.codeplex.com/[^].
Another option is SharpCompress, a fully native .NET library for several compression formats:
http://sharpcompress.codeplex.com[^],
https://github.com/adamhathcock/sharpcompress[^].

All three options are open-source. I would recommend to include source project in your solution.

Good luck, Happy New Year!

—SA

Member 10494762 · Accepted Answer · 2014-01-03T20:20:00

Solution 2

C#

multipleFiles.AddFile(doc1, string.Empty);//here i user folder name on(string.Empty)..it will create directory and save file inside the directory

 multipleFiles.AddFile(doc1, "foldername"); //here it says file name already exists

Posted 3-Jan-14 20:20pm