private void link_Click(object sender, System.EventArgs e) { OperationResult objOperationResult = new OperationResult(); LinkButton senderCtrl = (LinkButton)sender; string path; path = Server.MapPath("files/" + senderCtrl.Text); var multimediaFile = objPacientBL.GetMultimediaFileById(ref objOperationResult, senderCtrl.ID); File.WriteAllBytes(path, multimediaFile.ByteArrayFile); Download(senderCtrl.Text, "files/" + senderCtrl.Text); }