Copy Attachments of sharepoint list item to a document library using Javascript on click of a button

Question

The requirement is as follows:
1. We have a SP list. All items in the list have mulitple attachments.
2. On click of a button, All the attachments of all items should be copied to a document library
This is to be done from client side only. No server code is acceptable. We have tried following things:
1. USing Asynch call
context = new SP.ClientContext("my site name");
         this.oWebsite = context.get_web();
         var lists = oWebsite.get_lists();
         var list = lists.getByTitle('my list name');         
         context.load(oWebsite);
         var folderPath = 'Lists/<my list name>/Attachments/' + folderId;
         var Folder = oWebsite.getFolderByServerRelativeUrl(folderPath);
         context.load(Folder);
         Files = Folder.get_files();
         context.load(Files);
         context.executeQueryAsync(Function.createDelegate(this, this.ExecuteCopyOnSuccess), Function.createDelegate(this, this.ExecuteCopyOnFailure));
function ExecuteCopyOnSuccess(sender, args) {        
         for(var p=0;p<this.Files.get_count();p++)
     var file = Files.itemAt(p);    
          var filename = file.get_name();      
          if (filename != null) {
              var newUrl = 'document library url';
              file.copyTo(newUrl, true);
              context.executeQueryAsync(null,null);
In this case, Files.get_count() throws error - The collection has not been initialized. It has not been requested or the request has not been executed. It may need to be explicitly requested.
2. Using copy.asmx service
It copies files to document library but some files are blank and are having size 0.
Thanks!

Answer 1

Hi,
I think you can use Document Content types or document sets -
Here are links that you can refer to
http://office.microsoft.com/en-us/windows-sharepoint-services-help/introduction-to-content-types-HA010121570.aspx
http://msdn.microsoft.com/en-us/library/office/ms472236(v=office.14).aspx
http://office.microsoft.com/en-us/sharepoint-server-help/create-and-configure-a-new-document-set-content-type-HA101782461.aspx
http://office.microsoft.com/en-us/sharepoint-server-help/introduction-to-document-sets-HA101782466.aspx?CTT=5&origin=HA101782461
Hope this helps!
MCITP: SharePoint 2010 Administrator
MCTS - MOSS 2007 Configuring, .NET 2.0
| SharePoint Architect | Evangelist |
http://www.sharepointdeveloper.in/
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