嗨Stackoverflow管理员和所有成员,我有问题,当我按日期动态列datagridview。动态日期之间的日期范围在mysql vb.net
我有一些表酒店预订:
CREATE TABLE IF NOT EXISTS `tp_tblmsroom` (
`KdRoom` varchar(10) COLLATE latin1_general_ci NOT NULL DEFAULT '',
`NmRoom` varchar(100) COLLATE latin1_general_ci NOT NULL,
`KdRoomType` varchar(10) COLLATE latin1_general_ci NOT NULL
PRIMARY KEY (`KdRoom`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `tp_tblmsroom` (`KdRoom`, `NmRoom`, `KdRoomType`) VALUES
('1001', 'Lantai 1 No. 001', 'SNG-SUP'),
('1002', 'Lantai 1 No. 002', 'SNG-SUP'),
('2001', 'Lantai 2 No. 001', 'SNG-DLX'),
('2002', 'Lantai 2 No. 002', 'SNG-DLX'),
('3001', 'Lantai 3 No. 001', 'TWN-JRS'),
('3002', 'Lantai 3 No. 002', 'TWN-JRS'),
('3003', 'Lantai 3 No. 003', 'TWN-JRS'),
('4001', 'Lantai 4 No. 001', 'SNG-STE'),
('5001', 'Lantai 5 No. 001', 'TWN-PRE'),
('6001', 'Lantai 6 No. 001', 'SNG-STD'),
('6002', 'Lantai 6 No. 002', 'SNG-STD'),
('6003', 'Lantai 6 No. 003', 'SNG-STD'),
('6004', 'Lantai 6 No. 004', 'SNG-STD'),
('6005', 'Lantai 6 No. 005', 'SNG-STD'),
('6006', 'Lantai 6 No. 006', 'TWN-STD'),
('6007', 'Lantai 6 No. 007', 'TWN-STD'),
('6008', 'Lantai 6 No. 008', 'TWN-STD'),
('6009', 'Lantai 6 No. 009', 'TWN-STD');
CREATE TABLE IF NOT EXISTS `tp_tblstroomstatus` (
`KdRoom` varchar(10) COLLATE latin1_general_ci NOT NULL,
`DateCheck` datetime NOT NULL,
`KdRoomStatus` varchar(10) COLLATE latin1_general_ci NOT NULL,
`KdTransaksi` varchar(21) COLLATE latin1_general_ci NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `tp_tblstroomstatus` (`KdRoom`, `DateCheck`, `KdRoomStatus`) VALUES
('6006', '2016-11-22 14:00:00', 'BO'),
('6006', '2016-11-23 14:00:00', 'BO'),
('6006', '2016-11-23 12:00:00', 'BO'),
('6006', '2016-11-24 12:00:00', 'BO'),
('6007', '2016-11-22 14:00:00', 'BO'),
('6007', '2016-11-23 14:00:00', 'BO'),
('6007', '2016-11-24 14:00:00', 'BO'),
('6007', '2016-11-23 12:00:00', 'BO'),
('6007', '2016-11-24 12:00:00', 'BO'),
('6007', '2016-11-25 12:00:00', 'BO');
我试图创建一个查询,以使日期的动态,当我在VB.NET 2的DateTimePicker和绑定之间打电话datagridview的。
SELECT `tp_tblmsroom`.`KdRoom`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-20 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-20 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-21 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-21 12:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-21 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-21 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-22 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-22 12:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-22 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-22 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-23 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-23 12:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-23 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-23 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-24 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-24 12:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-24 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-24 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-25 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-25 12:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-25 14:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-25 14:00:00`,
MAX(IF(`tp_tblstroomstatus`.`DateCheck` = '2016-11-26 12:00:00', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS `2016-11-26 12:00:00`
FROM `tp_tblstroomstatus`
RIGHT OUTER JOIN `tp_tblmsroom` ON (`tp_tblstroomstatus`.`KdRoom` = `tp_tblmsroom`.`KdRoom`)
GROUP BY `tp_tblmsroom`.`KdRoom`
然后我试图将其转换为:
SET @sql = NULL;
SELECT GROUP_CONCAT
(DISTINCT CONCAT(
'MAX(IF(`tp_tblstroomstatus`.`DateCheck` = ''',
`tp_tblstroomstatus`.`DateCheck`,
''', `tp_tblstroomstatus`.`KdRoomStatus`, '')) AS ',
`tp_tblstroomstatus`.`DateCheck`
)
) INTO @sql
FROM `tp_tblstroomstatus`
RIGHT OUTER JOIN `tp_tblmsroom` ON (`tp_tblstroomstatus`.`KdRoom` = `tp_tblmsroom`.`KdRoom`);
SET @sql = CONCAT('SELECT `tp_tblmsroom`.`KdRoom`, ', @sql, ' FROM `tp_tblstroomstatus`
RIGHT OUTER JOIN `tp_tblmsroom` ON (`tp_tblstroomstatus`.`KdRoom` = `tp_tblmsroom`.`KdRoom`) GROUP BY `tp_tblmsroom`.`KdRoom`');
但当尝试运行MySQL的代码,我得到这个错误。
you have an error in your SQL syntax....'SELECT GROUP_CONCAT(DISTICT...
有关更多的信息,我尝试循环使用datetimepicker之间的datagridview生成新的列。这个我的VB.NET代码:
Dim pDateCI As Date = dtpStartRoomRack.Text
Dim pDateCO As Date = dtpEndRoomRack.Text
Dim DayCount As Integer = DateDiff(DateInterval.Day, pDateCI, pDateCO)
For i = 0 To DayCount - 1
.Columns.Add(i, (Format(pDateCI, "yyyy/MM/dd") & " " & Format(pTimeCI, "HH:mm:ss"))) 'format pDateCI date use for call mysql data in checkdate column like 2016-11-21 14:00:00'
.Columns.Add(i, (Format(pDateCI.AddDays(1), "yyyy/MM/dd") & " " & Format(pTimeCO, "HH:mm:ss"))) 'format pDateCO date use for call mysql data in checkdate column like 2016-11-22 12:00:00'
pDateCI = pDateCI.AddDays(1)
Next
我该如何解决我的问题?在此先感谢:)
@Henry ...感谢交叉检查我的问题,先生...... :) –
您应该编辑您的问题,并发布你得到:) – Henry
错误我得到一个错误,“你有一个错误的SQL语法....'SELECT GROUP_CONCAT(DISTICT ...“Sir ... –