public new void EDocumentAttachmentsDelete(EDocumentAttachments entity) { // check permission: admin PrincipalPermission permAdmin = new PrincipalPermission(Thread.CurrentPrincipal.Identity.Name, "Administrator"); permAdmin.Demand(); TraceCallEnterEvent.Raise(); try { FileDataContext fileDataContext = new FileDataContext(); string ext = Path.GetExtension(entity.Path).ToLower(); string fileName = entity.ID.ToString() + ext; fileDataContext.EDocumentAttachmentDelete(entity.EDocumentRef, fileName); base.EDocumentAttachmentsDelete(entity); BusinessAuditEvent.Success(); TraceCallReturnEvent.Raise(); return; } catch (Exception ex) { ExceptionManager.Publish(ex); BusinessAuditEvent.Fail( new EventParameter("Exception", ex.ToString()) ); TraceCallReturnEvent.Raise(false); throw; } }