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我想创建一个与ASP.NET连接到MySQL数据库的GridView。数据如下所示。MySQL使用总结和案例
BusinessUnit OrderDate Canceled
UnitA 1/15/2013 N
UnitA 10/1/2013 N
UnitB 10/15/2013 N
UnitB 10/22/2013 N
UnitB 10/22/2013 N
基于以上的记录,我想结果出现类似下面
BusinessUnit TodaysOrders ThisMonthsOrders ThisYearsOrders
UnitA 0 1 2
UnitB 2 3 3
我当前的代码如下。它给我的错误(一些有关DatabaseName.sum不存在。检查 功能名称解析和解决方案”部分...)
Select
SUM (CASE WHEN (OrderDate)=DATE(NOW()) THEN 1 ELSE 0 END) AS TodaysOrders,
SUM (CASE WHEN YEAR(OrderDate) = YEAR(CURDATE()) AND MONTH(OrderDate) = MONTH(CURDATE()) THEN 1 ELSE 0 END) AS ThisMonthsOrders,
SUM (CASE WHEN YEAR(main_order_managers.creation_date) = YEAR(CURDATE()) THEN 1 ELSE 0 END) AS ThisYearsOrders
代码继续
FROM OrderTable WHERE OrderTable.Canceled. <> 'Y';
是sum情况下,最好使用这里?
你的背景总和(壳体)按预期好,但根据Peterm的间隔答案可能是您的问题......(但是,取消取消后的期限。在<>'Y'之前) – DRapp