## 订单号查询时 排除时间因素 ``` bool isOtherWhere = true; foreach (FilterRule item in filterGroup.Rules.ToList()) { if (item.Field == "PurchasePO.POCode" && item.Value != null && !item.Value.ToString().IsNullOrEmpty()) { isOtherWhere = false; break; } } if (isOtherWhere) { query = query.WhereIf(input.PURStartDate != default(DateTime) && input.PUREndDate != default(DateTime), t => t.PurchasePO.PURDate >= input.PURStartDate && t.PurchasePO.PURDate <= input.PUREndDate); } ```