public IHttpActionResult DeleteEntry(int id) { using (errorkbEntryEntities entities = new errorkbEntryEntities()) { var entry = entities.entries.Where(s => s.e_id == id).FirstOrDefault(); if (entry != null) { entities.Entry(entry).State = System.Data.Entity.EntityState.Deleted; entities.SaveChanges(); return(Ok()); } return(NotFound()); } }