行转列之后的datagrid的保存

行专列之后,查询的存储过程为

  1 USE [APS_Future_FT]
  2 GO
  3 /****** Object:  StoredProcedure [dbo].[P_APS_H_InternalStandardCrudePrice]    Script Date: 2013/11/7 21:27:23 ******/
  4 SET ANSI_NULLS ON
  5 GO
  6 SET QUOTED_IDENTIFIER ON
  7 GO
  8 -- =============================================
  9 -- Author:        <Author,,Name>
 10 -- Create date: <Create Date,,>
 11 -- Description:    <Description,,>
 12 -- =============================================
 13 ALTER PROCEDURE [dbo].[P_APS_H_InternalStandardCrudePrice]
 14     (
 15       @PageSize INT ,
 16       @PageIndex INT ,
 17       @BeginDate DATETIME ,
 18       @EndDate DATETIME ,
 19       @TotalCount INT OUTPUT 
 20     )
 21 AS 
 22     BEGIN
 23 
 24         SET NOCOUNT ON;
 25         ---------------------------------------------------------
 26         SET @TotalCount=0
 27 
 28         SELECT  thi.CrudeStandardPriceID ,
 29                 vab.Name ,
 30                 vab.Code ,
 31                 thi.CrudeStandardPrice ,
 32                 thi.CreateDate ,
 33                 CONVERT(VARCHAR(10), PriceDate, 120) AS PriceDate
 34         INTO    #A
 35         FROM    T_H_InternalStandardCrudePrice thi ,
 36                 dbo.V_APS_BaseDataUnion vab
 37         WHERE   thi.CrudeStandard = vab.Code
 38                 AND thi.PriceDate BETWEEN @BeginDate AND @EndDate
 39         ORDER BY thi.PriceDate ASC
 40         ----------------------------------------------------------
 41         DECLARE @i INT
 42         SET @i = 0
 43         
 44         SELECT  @i = ( SELECT   COUNT(*)
 45                        FROM     #A
 46                      )
 47         IF ( @i > 0 ) 
 48             BEGIN
 49         --读取动态列
 50                 DECLARE @STR NVARCHAR(MAX);
 51                 SELECT  @STR = ( SELECT DISTINCT
 52                                         '[' + Code + '],'
 53                                  FROM   #A
 54                                FOR
 55                                  XML PATH('')
 56                                )
 57                 SELECT  @STR = SUBSTRING(@STR, 1, LEN(@STR) - 1)
 58          
 59                 DECLARE @ESTR NVARCHAR(MAX)
 60       
 61         -------------------------------------------------------------
 62         --行转列
 63                 SET @ESTR = 'select rn=row_number()over (order by PriceDate desc),PriceDate,'
 64                     + @STR + '
 65         FROM    ( SELECT    
 66                             Code ,
 67                             CrudeStandardPrice ,
 68                             PriceDate
 69                   FROM      #A 
 70                 ) AS A PIVOT ( SUM(A.CrudeStandardPrice) FOR A.Code IN ('
 71                     + @STR + ' ) ) AS B '
 72 
 73        -- SET @ESTR = 'select * 
 74        -- FROM    ( SELECT    
 75        --                     Code ,
 76        --                     CrudeStandardPrice ,
 77                             --PriceDate
 78        --           FROM      #A
 79        --         ) AS A PIVOT ( SUM(A.CrudeStandardPrice) FOR A.Code IN ('
 80        --     + @STR + ' ) ) AS B'
 81         ---------------------------------------------------------------
 82         --查询总记录数
 83          
 84                 DECLARE @sql NVARCHAR(MAX)
 85                 SET @sql = 'select * into ##C from (' + @ESTR + ') as C'
 86        
 87                 EXEC(@sql)
 88 
 89                 SELECT  @TotalCount = ( SELECT  COUNT(*)
 90                                         FROM    ##C
 91                                       )
 92                 DROP TABLE ##C
 93         ----------------------------------------------------------------
 94         --增加分页
 95                 SET @ESTR = 'select * from (' + @ESTR
 96                     + ') as C where rn BETWEEN '
 97                     + CAST(( ( @PageIndex ) * @PageSize + 1 ) AS NVARCHAR(20))
 98                     + ' and  '
 99                     + CAST(( ( @PageIndex + 1 ) * @PageSize ) AS NVARCHAR(20))
100                     + ' '
101 
102                 EXEC (@ESTR)
103         -------------------------------------------------------------
104             END
105         DROP TABLE #A
106         
107     END

xml文件为

<data><row id="14" code="93_06" value="100" state="added"  rowid="1" /><row id="14" code="name" value="New Row" state="added"  rowid="2" /><row id="14" code="_uid" value="14" state="added"  rowid="3" /><row id="14" code="93_11" value="100" state="added"  rowid="4" /><row id="14" code="93_10" value="100" state="added"  rowid="5" /><row id="14" code="93_09" value="100" state="added"  rowid="6" /><row id="14" code="93_08" value="100" state="added"  rowid="7" /><row id="14" code="93_12" value="100" state="added"  rowid="8" /><row id="14" code="93_03" value="100" state="added"  rowid="9" /><row id="14" code="93_02" value="210" state="added"  rowid="10" /><row id="14" code="93_01" value="120" state="added"  rowid="11" /><row id="14" code="93_07" value="100" state="added"  rowid="12" /><row id="14" code="PriceDate" value="2013/11/1 0:00:00" state="added"  rowid="13" /><row id="14" code="_id" value="14" state="added"  rowid="14" /><row id="14" code="93_04" value="100" state="added"  rowid="15" /><row id="14" code="93_05" value="100" state="added"  rowid="16" /><row id="14" code="_state" value="added" state="added"  rowid="17" /><row id="11" code="rn" value="1" state="modified"  rowid="1" /><row id="11" code="_uid" value="11" state="modified"  rowid="2" /><row id="11" code="93_12" value="200" state="modified"  rowid="3" /><row id="11" code="93_11" value="200" state="modified"  rowid="4" /><row id="11" code="93_10" value="200" state="modified"  rowid="5" /><row id="11" code="93_06" value="200" state="modified"  rowid="6" /><row id="11" code="93_09" value="200" state="modified"  rowid="7" /><row id="11" code="93_08" value="200" state="modified"  rowid="8" /><row id="11" code="93_03" value="200" state="modified"  rowid="9" /><row id="11" code="93_02" value="200" state="modified"  rowid="10" /><row id="11" code="93_01" value="200" state="modified"  rowid="11" /><row id="11" code="93_07" value="200" state="modified"  rowid="12" /><row id="11" code="PriceDate" value="2013-10-28" state="modified"  rowid="13" /><row id="11" code="93_05" value="200" state="modified"  rowid="14" /><row id="11" code="93_04" value="200" state="modified"  rowid="15" /><row id="11" code="_id" value="11" state="modified"  rowid="16" /><row id="11" code="_state" value="modified" state="modified"  rowid="17" /></data>

存储过程为

  1 USE [APS_Future_FT]
  2 GO
  3 /****** Object:  StoredProcedure [dbo].[A_001]    Script Date: 2013/11/7 19:23:03 ******/
  4 SET ANSI_NULLS ON
  5 GO
  6 SET QUOTED_IDENTIFIER ON
  7 GO
  8 -- =============================================
  9 -- Author:        <Author,,Name>
 10 -- Create date: <Create Date,,>
 11 -- Description:    <Description,,>
 12 -- =============================================
 13 ALTER PROCEDURE [dbo].[A_001] ( @str XML )
 14 AS 
 15     BEGIN
 16     -- SET NOCOUNT ON added to prevent extra result sets from
 17     -- interfering with SELECT statements.
 18         SET NOCOUNT ON;
 19         
 20         DECLARE @T TABLE
 21             (
 22               T_id NVARCHAR(50) ,
 23               T_code NVARCHAR(50) ,
 24               T_value NVARCHAR(50) ,
 25               T_state NVARCHAR(50)
 26             )      
 27 
 28         INSERT  INTO @T
 29                 ( T_id ,
 30                   T_code ,
 31                   T_value ,
 32                   T_state 
 33                 )
 34                 SELECT  T.r.value('@id', 'nvarchar(50)') ,
 35                         T.r.value('@code', 'nvarchar(50)'),
 36                         T.r.value('@value','nvarchar(50)'),
 37                         T.r.value('@state','nvarchar(50)')
 38                 FROM    @str.nodes('/data/row') T ( r )     
 39                 
 40 
 41         
 42         SELECT DISTINCT *
 43         INTO #Date
 44         FROM @T
 45         WHERE  T_code = 'PriceDate'    
 46 
 47         DELETE FROM @T
 48         WHERE T_code LIKE '"_%' ESCAPE '"'
 49               OR T_code = 'rn'
 50               OR T_code = 'PriceDate'
 51         
 52         SELECT T.*,
 53                d.T_value T_date
 54         INTO #ALL
 55         FROM @T AS T
 56         INNER JOIN #Date d ON T.T_id = d.T_id
 57 
 58 --------------------------删除
 59        DELETE iscp 
 60        FROM dbo.T_H_InternalStandardCrudePrice iscp 
 61        INNER JOIN #ALL a ON a.T_date = iscp.PriceDate
 62                             AND a.T_code = iscp.CrudeStandard
 63                             AND a.T_state = 'removed'
 64 
 65 
 66 ---------------------------修改
 67       SELECT iscp.CrudeStandardPriceID,
 68              a.*
 69       INTO #UPDATE
 70       FROM #ALL a
 71       INNER JOIN dbo.T_H_InternalStandardCrudePrice iscp
 72       ON a.T_date = iscp.PriceDate
 73       AND a.T_code = iscp.CrudeStandard
 74 
 75       --SELECT * FROM #UPDATE
 76 
 77       UPDATE T_H_InternalStandardCrudePrice
 78       SET CrudeStandardPrice =  up.T_value 
 79       FROM dbo.T_H_InternalStandardCrudePrice iscp
 80       INNER JOIN #UPDATE up ON iscp.CrudeStandardPriceID =  up.CrudeStandardPriceID
 81 
 82 --------------------------------增加
 83      
 84       INSERT INTO dbo.T_H_InternalStandardCrudePrice
 85               ( CrudeStandard ,
 86                 PriceDate ,
 87                 CrudeStandardPrice 
 88               )
 89        SELECT A.T_code,
 90               CASE WHEN  A.T_date IS NOT NULL
 91                         THEN CAST(A.T_date AS DATETIME)
 92                    ELSE NULL
 93                 END
 94               ,
 95               CASE WHEN A.T_value IS NOT NULL
 96                         THEN CAST(A.T_value AS DECIMAL)
 97                     ELSE NULL
 98               END                  
 99 
100        FROM (
101               SELECT a.T_id,
102                      a.T_code,
103                      a.T_value,
104                      a.T_state,
105                      a.T_date
106               FROM #ALL a
107               EXCEPT
108               SELECT up.T_id,
109                      up.T_code,
110                      up.T_value,
111                      up.T_state,
112                      up.T_date
113               FROM #UPDATE up
114                           
115             )AS A
116 
117     END
原文地址:https://www.cnblogs.com/qizhelongdeyang/p/3413252.html