public string UpdateByIDs(IEnumerable <BsonDocument> docs) { if (!Opened) { return(JsonConvert.SerializeObject(new { ok = false, total = 0, count = 0, msg = "The model " + Model + " is closed" })); } long _total = Count(); var rs = new UpdateResult(); foreach (var doc in docs) { string id = doc[_LITEDB_CONST.FIELD_ID].AsString; var _doc_old = FindById(id); if (_doc_old != null && RemoveById(id)) { int k = _engine.InsertWithID(_LITEDB_CONST.COLLECTION_NAME, doc); if (k == 1) { rs.listID_Success.Add(id); } else { _engine.InsertWithID(_LITEDB_CONST.COLLECTION_NAME, _doc_old); rs.listID_Fail.Add(id); } } else { rs.listID_Fail.Add(id); } } string json = @"{""ok"":true,""total"":" + _total.ToString() + @",""update"":{""ok"":" + JsonConvert.SerializeObject(rs.listID_Success) + @", ""fail"":" + JsonConvert.SerializeObject(rs.listID_Fail) + @"}}"; return(json); }