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教你快速掌握两个分页存储过程的用法
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发布时间:2008.01.24 04:39???? 来源:赛迪网????作者:xiaoqiao
两个分页存储过程的用法:
[Basic_Pagination2005]:只能在SQLServer2005下用;
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[Basic_Pagination2000]:可在SQLServer2000和SQLServer2005下通用;
两个存储过程的参数是一样的,其中的参数说明在代码中已有注释。
需要注意的是当@IsReCount=1时,会返回记录总数。所以在.NET中需用DataSet存放记录集。
第一个Table是要查询的字段数据,第二个Table便是记录总数。
1.Basic_Pagination2000
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Create PROCEDURE [dbo].[Basic_Pagination2000]
@tblName varchar(255),-- 表名
@fidlelist varchar(2000),--要查询字段
@fldName varchar(255),-- 排序字段
@PageSize int,-- 页尺寸
@PageIndex int,-- 页码
@IsReCount bit,-- 返回记录总数,非 0 值则返回
@OrderType bit,-- 设置排序类型,非 0 值则降序
@strWhere varchar(1000) -- 查询条件 (注意: 不要加 where)
AS
declare @strSQL varchar(6000) -- 主语句
declare @strTmp varchar(100),@tmpwhere varchar(200) -- 临时变量
declare @strOrder varchar(400) -- 排序类型
if @OrderType != 0
begin
set @strTmp = '<(select min'
set @strOrder = ' order by [' + @fldName +'] desc'
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by [' + @fldName +'] asc'
end
set @tmpwhere='';
if(@strWhere!='')
begin
set @tmpwhere=' where '+@strWhere;
end
if @PageIndex = 1
begin
set @strSQL = 'select top '
+ str(@PageSize) +' '+@fidlelist+' '+'from ['
+ @tblName + '] ' + @tmpwhere + ' ' + @strOrder
end
else
begin
set @strSQL = 'select top '
+ str(@PageSize) + ' '+@fidlelist+' '+'from ['
+ @tblName + '] where
[' + @fldName + ']' + @strTmp + '(['
+ @fldName + ']) from
(select top ' + str((@PageIndex-1)*@PageSize) + ' ['
+ @fldName + '] from
[' + @tblName + '] ' + @tmpwhere + ' '
+ @strOrder + ') as tblTmp)
' + @tmpwhere + ' ' + @strOrder
end
exec(@strSQL)
if @IsReCount != 0
begin
set @strSQL = 'select count(*)
as Total from [' + @tblName + ']'+ @strWhere
exec (@strSQL)
end
2.Basic_Pagination2005
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ALTER PROCEDURE [dbo].[Basic_Pagination2005]
@tblName nvarchar(200),--表名
@fidlelist nvarchar(1000),--要查询字段
@fldName nvarchar(100),--排序字段
@PageSize int,--页尺寸
@PageIndex int,--页码
@IsReCount bit,非 0 值则降序
@strWhere nvarchar(1000) --查询条件
AS
declare @sqlstr nvarchar(4000),@tmpwhere nvarchar(4000),@tmporder nvarchar(100)
BEGIN
if @OrderType != 0
begin
set @tmporder = @fldName +' desc '
end
else
begin
set @tmporder = @fldName +' asc '
end
set @tmpwhere='';
if(@strWhere!='')
begin
set @tmpwhere=' where '+@strWhere;
end
set @sqlstr=N'select * from
(select '+@fidlelist+',ROW_NUMBER() OVER(order
by '+@tmporder+') as row from '+@tblName+@tmpwhere+')
tmp where row between '+cast
(((@PageIndex-1)*@PageSize+1) as nvarchar)+' and '+cast
(@PageIndex*@PageSize as nvarchar);
exec sp_executesql @sqlstr
if @IsReCount != 0
begin
set @sqlstr=N'select count(*) as Total from '+ @tblName+@tmpwhere
exec sp_executesql @sqlstr
end
END
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