AspNetPager分页控件 存储过程

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

ALTER PROCEDURE usp_PagingLarge
@TableNames VARCHAR(200), --表名，可以是多个表，但不能用别名
@PrimaryKey VARCHAR(100), --主键，可以为空，但@Order为空时该值不能为空
@Fields VARCHAR(200), --要取出的字段，可以是多个表的字段，可以为空，为空表示select *
@PageSize INT, --每页记录数
@CurrentPage INT, --当前页，0表示第1页
@Filter VARCHAR(200) = , --条件，可以为空，不用填 where
@Group VARCHAR(200) = , --分组依据，可以为空，不用填 group by
@Order VARCHAR(200) = --排序，可以为空，为空默认按主键升序排列，不用填 order by
AS
BEGIN
DECLARE @SortColumn VARCHAR(200)
DECLARE @Operator CHAR(2)
DECLARE @SortTable VARCHAR(200)
DECLARE @SortName VARCHAR(200)
IF @Fields =
SET @Fields = *
IF @Filter =
SET @Filter = WHERE 1=1
ELSE
SET @Filter = WHERE + @Filter
IF @Group <>
SET @Group = GROUP BY + @Group

IF @Order <>
BEGIN
DECLARE @pos1 INT, @pos2 INT
SET @Order = REPLACE(REPLACE(@Order, asc, ASC), desc, DESC)
IF CHARINDEX( DESC, @Order) > 0
IF CHARINDEX( ASC, @Order) > 0
BEGIN
IF CHARINDEX( DESC, @Order) < CHARINDEX( ASC, @Order)
SET @Operator = <=
ELSE
SET @Operator = >=
END
ELSE
SET @Operator = <=
ELSE
SET @Operator = >=
SET @SortColumn = REPLACE(REPLACE(REPLACE(@Order, ASC, ), DESC, ), , )
SET @pos1 = CHARINDEX(,, @SortColumn)
IF @pos1 > 0
SET @SortColumn = SUBSTRING(@SortColumn, 1, @pos1-1)
SET @pos2 = CHARINDEX(., @SortColumn)
IF @pos2 > 0
BEGIN
SET @SortTable = SUBSTRING(@SortColumn, 1, @pos2-1)
IF @pos1 > 0
SET @SortName = SUBSTRING(@SortColumn, @pos2+1, @pos1-@pos2-1)
ELSE
SET @SortName = SUBSTRING(@SortColumn, @pos2+1, LEN(@SortColumn)-@pos2)
END
ELSE
BEGIN
SET @SortTable = @TableNames
SET @SortName = @SortColumn
END
END
ELSE
BEGIN
SET @SortColumn = @PrimaryKey
SET @SortTable = @TableNames
SET @SortName = @SortColumn
SET @Order = @SortColumn
SET @Operator = >=
END


DECLARE @type varchar(50)
DECLARE @prec int
SELECT @type=t.name, @prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
WHERE o.name = @SortTable AND c.name = @SortName




IF CHARINDEX(char, @type) > 0
SET @type = @type + ( + CAST(@prec AS varchar) + )


DECLARE @TopRows INT
SET @TopRows = @PageSize * @CurrentPage + 1

PRINT @type
DECLARE @sql NVARCHAR(4000)

SET @Sql = DECLARE @SortColumnBegin + @type +
SET ROWCOUNT + Cast(@TopRows as VARCHAR(10))+ SELECT @SortColumnBegin= +
@SortColumn + FROM + @TableNames + + @Filter + + @Group + ORDER BY + @Order +
SET ROWCOUNT + CAST(@PageSize AS VARCHAR(10)) +
SELECT + @Fields + FROM + @TableNames + + @Filter + AND + @SortColumn + + @Operator + @SortColumnBegin + ISNULL(@Group,) + ORDER BY + @Order +

-- Print(@sql)
Exec(@sql)


END

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO