Click here to Skip to main content
15,891,951 members
Please Sign up or sign in to vote.
2.00/5 (1 vote)
See more:
:( Hi guys,
I'm struggling with logic here I have exported a csv file from database but now I want to take that csv file zip it then save it to a database again.

Your help will be very much appreciated.
Regards,
A
Posted
Comments
senguptaamlan 23-Sep-10 8:27am    
please, let us know what you have done with respect to coding and pin point the actual implementation difficulties that you are facing

1 solution

You can use the following links to select a zip method you like.

Folder zipper using GZipStream:
http://www.eggheadcafe.com/tutorials/aspnet/9ce6c242-c14c-4969-9251-af95e4cf320f/zip--unzip-folders-and-files-with-c.aspx[^]

Or a component like SharpZipLib:
http://www.icsharpcode.net/OpenSource/SharpZipLib/?[^]

Here you have some code for storing a file into a database. (zip or whatever format you want)

C#
try
{
    string constr = "SERVER=localhost;DATABASE=master;pwd=sa;uid=sa";
    using (SqlConnection con = new SqlConnection(constr))
    {
         con.Open();
         string path = @"C:\TEMP\compressed.zip";
         byte[] bytearr = File.ReadAllBytes(path);
         string query = "Insert into files values(@file1)";
         using (SqlCommand com = new SqlCommand(query,con))
         {
               com.Parameters.Add(new SqlParameter("@file1", bytearr));
               com.ExecuteNonQuery();
         }
    }
}
catch (Exception ex)
{
  throw ex;
}


The example above now takes a file and stores it into the table "files" as bytearray but as you may notice the GZipStream stores the compressed data into a stream that can easily be a memory stream instead of a file stream. This would avoid the use of a temporary file but you would do some changing to the folder zipper code.

Good luck!
 
Share this answer
 
Comments
JGraduate 23-Sep-10 10:05am    
Reason for my vote of 5
Automatic vote of 5 for accepting answer.
JGraduate 23-Sep-10 10:09am    
I will work on it and I will let you know how it went.

Many thanks
A

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)



CodeProject, 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 +1 (416) 849-8900