asp.net mvc 3 - MVC3 Razor view not rendering dynamically added controls on postback -

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i have upload selected files , display these files links on post back. in view adding each of uploaded files links using

  @if (model.incidentloginfodetails.attachmentcollection.attachmentitemcollection.any())   {       foreach (eml.container.attachment attachmentitem in model.incidentloginfodetails.attachmentcollection.attachmentitemcollection)       {            @html.actionlink(attachmentitem.filename, "testing")       }   }

this controller action:

 public actionresult uploadingfiles(httppostedfilebase imagefile)     {         // converting attachment object         attachment fileattachment = new attachment();         fileattachment.filename = "imagefile.filename";         fileattachment.contenttype = imagefile.contenttype;         fileattachment.sizeinbytes = imagefile.contentlength;          using (memorystream ms = new memorystream())         {             imagefile.inputstream.copyto(ms);             fileattachment.binarydata = ms.getbuffer();         }          incidentdetails incidentdetails = new incidentdetails();         incidentdetails.incidentloginfodetails = new incidentloginfo();         incidentdetails.incidentloginfodetails.attachmentcollection.attachmentitemcollection = new list<attachment>();          incidentdetails.incidentloginfodetails.attachmentcollection.attachmentitemcollection.add(fileattachment);         return view("fileuploadingtest", incidentdetails);     }

my problem though loop getting executed , action links created ( on debugging), not displayed after post back.
what missing ?


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