c# - "Download all" option available to user using Html.ActionLink -


quick question, want give user option download attachments details view.

this works single attachment...

    @foreach (var file in model.attachments)             {                 <div class="margin-bottom-25">                     <a href="?">                         <img src="~/images/pdf.gif" /></a>                     <div>                         <strong>@file.filename</strong>                         <span>@file.filesizekb kb</span>                          @html.actionlink("download", "viewdocument", new                            {                                messageid = file.messageid.tostring("n"),                                documentid = file.id.tostring("n"),                                documenttype = file.attachmenttype.tostring(),                                download = true                            })                     </div>                 </div>              }

however want give user ability select "download all" link....? sounds straight forward, tried putting foreach within link , it's none runner.....any ideas appreciated ? (asp.net mvc 4 application, using razor2 views)

iterate on documents , construct zip file (best supported) subsequently send user.

just implement different action on controller, call downloadall. loop on files in model.attachments, , add them zip package return, download on viewdocument.

take @ ziparchive http://msdn.microsoft.com/en-us/library/hh137435 if use .net 4.5 or otherwise zippackage. see how zip file in c#, using no 3rd-party apis? more information too.


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