Ajax issue when try to unzip the downloaded file RSS

• • Reply
  

  arun_88

  0 Points

  18 Posts

  Ajax issue when try to unzip the downloaded file

  Oct 27, 2010 03:33 AM|LINK

  Hi All,

  
  

  I have ajaxified grid having 2 columns i.e FileName & Download.

  
  

  When user click the Download link, the  zip  file gets downloaded locally.

  But when i try to open  (unzip) that file, i get an error message "cannot open file: it does not appear to be a valid archive"

  
  

  When i remove the ajax setting completely, then i am able to unzip the file.

  I am downloading the files from shared location of another server.

  
  

  My Code for  file:

  
  

  <telerik:GridButtonColumn ButtonType="LinkButton" CommandName="Download" HeaderText="AVAILABLE FILES"

                              Text="Download" UniqueName="FILEPATH">

                              <HeaderStyle Width="50px" Font-Size="10pt" Font-Bold="true" Font-Names="Arial" BorderWidth="1px"

                                  ForeColor="White" />

                              <ItemStyle Height="30px" />

                          </telerik:GridButtonColumn>

  ---------------------------------/////-----------------------------------------------------------------------------------------------

  .CS file:

                  string filePath = item["FILEPATH"].Text;

                  //SPSite site = SPContext.Current.Site;

                  SPSite site = new SPSite("http://sharepoint:000/");

                  {

                      SPWeb web = site.OpenWeb();

                      {

                          web.AllowUnsafeUpdates = true;

                          site.AllowUnsafeUpdates = true;

                          SPSecurity.RunWithElevatedPrivileges(delegate()

                          {

                              //-----------------------------------------------

                             string filename = Path.GetFileName(filePath);

                              Response.ClearContent();

                              Response.Clear();

                              Response.ContentType = "application/zip";

                              Response.AppendHeader("content-disposition",                                 "attachment; filename=" + filename);

                              try

                              {

                                  Response.TransmitFile(filePath);

                                  Response.Flush();

                                  Response.End();

                              }

                              catch (Exception ed)

                              {

                                  string h = ed.Message;

                              }

                          });

                      }

                  }

  
  

              

  ajax

• • Reply
  

  chetan.sarod...

  All-Star

  65619 Points

  11118 Posts

  Re: Ajax issue when try to unzip the downloaded file

  Oct 28, 2010 02:57 AM|LINK

  This error can happen when part of the zip file becomes corrupt during an interrupted download, copy or move.

  http://support.microsoft.com/kb/841120

  http://www.ziprepair.com/cannot-open-file-valid-archive.php

  Chetan Sarode
  Senior Software Engineer,
  Approva Systems Pvt Ltd, Pune, India.
  
• • Reply
  

  Maniak7

  Member

  211 Points

  111 Posts

  Re: Ajax issue when try to unzip the downloaded file

  Oct 28, 2010 08:55 AM|LINK

  well, try removing Response.End(); from your code for the start, it has no use anyway

• • Reply
  

  GirishDJ

  Member

  44 Points

  7 Posts

  Re: Ajax issue when try to unzip the downloaded file

  Oct 28, 2010 09:15 AM|LINK

  Hi Arun,

  The Problem ight be related to the dll which you are using.

  Try inserting new dll. 

  Girish DJ
  Software Consultant
  • Edited by GirishDJ on Oct 28, 2010 09:21 AM
• • Reply
  

  arun_88

  0 Points

  18 Posts

  Re: Ajax issue when try to unzip the downloaded file

  Oct 28, 2010 04:28 PM|LINK

  Hi All,

  
  

  Thanx for help, the issue was with given above code...

  
  

  • Marked as answer by arun_88 on Oct 28, 2010 04:29 PM