public ApiResultObject <List <Role> > GetResult(RoleFilterQuery filter) { ApiResultObject <List <Role> > result = null; try { bool valid = true; valid = valid && IsNotNull(param); valid = valid && IsNotNull(filter); List <Role> resultData = null; if (valid) { resultData = new RoleGet(param).Get(filter); } result = this.PackResult(resultData); this.FailLog(result.Success, filter, result.Data); } catch (Exception ex) { LogSystem.Error(ex); param.HasException = true; result = null; } return(result); }