数据分页
新建用户控件pageno.ascx
Code
后台pageno.ascx.cs
BLL层PageList.cs
DAL层PageList.cs
Default.aspx
Default.aspx.cs
代码
using
System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace YPEN.Web
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load( object sender, EventArgs e)
{
if ( ! Page.IsPostBack)
{
Bind();
}
}
private void Bind()
{
string strURl = Request.RawUrl;
strURl = strURl.Substring( 0 , strURl.IndexOf( " .aspx " )) + " .aspx " ;
strURl += " ?Z=0 " ;
int pageSize = 2 ; // 这里设置分页尺寸
int pageIndex = 1 ;
string strWhere = " 1=1 " ;
if (Request.QueryString[ " page " ] != null )
{
pageIndex = Convert.ToInt32(Request.QueryString[ " page " ].ToString());
}
pageno1.Strurl = strURl; // 当前页url
pageno1.FldName = " id " ; // 排序字段
pageno1.Table = " city " ; // 表名
pageno1.StrGetFields = " * " ; // 查询字段
pageno1.PageSize = pageSize; // 页面数目
pageno1.Where = strWhere; // 过滤条件
pageno1.Pageindex = pageIndex;
DataTable dt = pageno1.BindView();
this .DataList1.DataSource = dt.DefaultView;
this .DataList1.DataBind();
}
}
}
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace YPEN.Web
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load( object sender, EventArgs e)
{
if ( ! Page.IsPostBack)
{
Bind();
}
}
private void Bind()
{
string strURl = Request.RawUrl;
strURl = strURl.Substring( 0 , strURl.IndexOf( " .aspx " )) + " .aspx " ;
strURl += " ?Z=0 " ;
int pageSize = 2 ; // 这里设置分页尺寸
int pageIndex = 1 ;
string strWhere = " 1=1 " ;
if (Request.QueryString[ " page " ] != null )
{
pageIndex = Convert.ToInt32(Request.QueryString[ " page " ].ToString());
}
pageno1.Strurl = strURl; // 当前页url
pageno1.FldName = " id " ; // 排序字段
pageno1.Table = " city " ; // 表名
pageno1.StrGetFields = " * " ; // 查询字段
pageno1.PageSize = pageSize; // 页面数目
pageno1.Where = strWhere; // 过滤条件
pageno1.Pageindex = pageIndex;
DataTable dt = pageno1.BindView();
this .DataList1.DataSource = dt.DefaultView;
this .DataList1.DataBind();
}
}
}
分页所用存储过程
代码
if
object_id
(
'
[SP_Pagination]
'
)
is
not
null
drop
procedure
[
SP_Pagination
]
go
USE [ ypentest ]
GO
/* ***** 对象: StoredProcedure [dbo].[SP_Pagination] 脚本日期: 01/30/2010 11:08:32 ***** */
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [ dbo ] . [ SP_Pagination ]
@tblName varchar ( 255 ), -- 表名 .
@strGetFields varchar ( 1000 ) = ' * ' , -- 需要返回的列
@fldName varchar ( 255 ) = ' ' , -- 排序的字段名
@PageSize int = 10 , -- 页尺寸
@PageIndex int = 1 , -- 页码
@doCount bit = 0 , -- 返回记录总数,非 0 值则返回
@OrderType int = 0 , -- 设置排序类型,非 0 值则降序
@strWhere varchar ( 1500 ) = ' ' , -- 查询条件(注意: 不要加where)
@keyDate varchar ( 1500 ) = ' '
AS
declare @strSQL varchar ( 5000 ) -- 主语句
declare @strTmp varchar ( 110 ) -- 临时变量
declare @strOrder varchar ( 400 ) -- 排序类型
declare @fldNames varchar ( 100 ) -- 排序字段，如果两张表,只查询单张表的数据,去掉前面的表名
declare @str varchar ( 100 )
if @doCount != 0
begin
if @strWhere != ' '
set @strSQL = ' select count(*) as Total from ' + @tblName + ' where ' + @strWhere
else
set @strSQL = ' select count(*) as Total from ' + @tblName + ' '
end
-- 以上代码的意思是如果@doCount传递过来的不是0，就执行总数统计。以下的所有代码都是@doCount为0的情况：
else
begin
declare @length int
declare @str1 varchar ( 100 )
set @str1 = @fldName ;
if charindex ( ' , ' , @fldName , 0 ) > 0
begin
set @str = SUBSTRING ( @fldName , CharIndex ( ' , ' , @fldName , 0 ) + 1 , len ( @fldName ))
if charindex ( ' . ' , @str , 0 ) > 0
begin
set @length = CharIndex ( ' . ' , @str , 0 )
set @fldNames = SUBSTRING ( @str , @length + 1 , len ( @str ))
end
else
begin
set @fldNames = @str
end
end
else
begin
if charindex ( ' . ' , @fldName , 0 ) > 0
begin
set @length = CharIndex ( ' . ' , @fldName , 0 )
set @fldNames = SUBSTRING ( @fldName , @length + 1 , len ( @fldName ))
end
else
begin
set @fldNames = @fldName
end
end
if charindex ( ' , ' , @fldName , 0 ) > 0
begin
set @str = SUBSTRING ( @fldName , 0 , CharIndex ( ' , ' , @fldName , 0 )) + ' , '
set @fldName = SUBSTRING ( @fldName , CharIndex ( ' , ' , @fldName , 0 ) + 1 , len ( @fldName ))
end
else
begin
set @str = ''
end
if @OrderType = 1
begin
set @strTmp = ' <(select min '
set @strOrder = ' order by ' + @str + @fldName + ' desc '
-- 如果@OrderType不是0，就执行降序，这句很重要！
end
else if @OrderType = 0
begin
set @strTmp = ' > (select max '
set @strOrder = ' order by ' + @str + @fldName + ' asc '
end
else
begin
set @strTmp = ' NOT IN (SELECT TOP '
set @strOrder = ' order by ' + @str + @fldName + ' asc '
end
if @PageIndex = 1
begin
if @strWhere != ' '
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder
else
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' ' + @strOrder
-- 如果是第一页就执行以上代码，这样会加快执行速度
end
else
begin
-- 以下代码赋予了@strSQL以真正执行的SQL代码
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @fldName + ' ' + @strTmp + ' ( ' + @fldNames + ' ) from (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @fldName + ' from ' + @tblName + ' ' + @strOrder + ' ) as tblTmp) ' + @strOrder
if @strWhere != ' '
if ( charindex ( ' , ' , @str1 , 0 ) > 0 )
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @strWhere + ' and ' + @keyDate + ' not in (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @keyDate + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder + ' ) ' + @strOrder
else
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @fldName + ' ' + @strTmp + ' ( ' + @fldNames + ' ) from (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @fldName + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder + ' ) as tblTmp) and ' + @strWhere + ' ' + @strOrder
end
end
exec ( @strSQL )
go
USE [ ypentest ]
GO
/* ***** 对象: StoredProcedure [dbo].[SP_Pagination] 脚本日期: 01/30/2010 11:08:32 ***** */
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [ dbo ] . [ SP_Pagination ]
@tblName varchar ( 255 ), -- 表名 .
@strGetFields varchar ( 1000 ) = ' * ' , -- 需要返回的列
@fldName varchar ( 255 ) = ' ' , -- 排序的字段名
@PageSize int = 10 , -- 页尺寸
@PageIndex int = 1 , -- 页码
@doCount bit = 0 , -- 返回记录总数,非 0 值则返回
@OrderType int = 0 , -- 设置排序类型,非 0 值则降序
@strWhere varchar ( 1500 ) = ' ' , -- 查询条件(注意: 不要加where)
@keyDate varchar ( 1500 ) = ' '
AS
declare @strSQL varchar ( 5000 ) -- 主语句
declare @strTmp varchar ( 110 ) -- 临时变量
declare @strOrder varchar ( 400 ) -- 排序类型
declare @fldNames varchar ( 100 ) -- 排序字段，如果两张表,只查询单张表的数据,去掉前面的表名
declare @str varchar ( 100 )
if @doCount != 0
begin
if @strWhere != ' '
set @strSQL = ' select count(*) as Total from ' + @tblName + ' where ' + @strWhere
else
set @strSQL = ' select count(*) as Total from ' + @tblName + ' '
end
-- 以上代码的意思是如果@doCount传递过来的不是0，就执行总数统计。以下的所有代码都是@doCount为0的情况：
else
begin
declare @length int
declare @str1 varchar ( 100 )
set @str1 = @fldName ;
if charindex ( ' , ' , @fldName , 0 ) > 0
begin
set @str = SUBSTRING ( @fldName , CharIndex ( ' , ' , @fldName , 0 ) + 1 , len ( @fldName ))
if charindex ( ' . ' , @str , 0 ) > 0
begin
set @length = CharIndex ( ' . ' , @str , 0 )
set @fldNames = SUBSTRING ( @str , @length + 1 , len ( @str ))
end
else
begin
set @fldNames = @str
end
end
else
begin
if charindex ( ' . ' , @fldName , 0 ) > 0
begin
set @length = CharIndex ( ' . ' , @fldName , 0 )
set @fldNames = SUBSTRING ( @fldName , @length + 1 , len ( @fldName ))
end
else
begin
set @fldNames = @fldName
end
end
if charindex ( ' , ' , @fldName , 0 ) > 0
begin
set @str = SUBSTRING ( @fldName , 0 , CharIndex ( ' , ' , @fldName , 0 )) + ' , '
set @fldName = SUBSTRING ( @fldName , CharIndex ( ' , ' , @fldName , 0 ) + 1 , len ( @fldName ))
end
else
begin
set @str = ''
end
if @OrderType = 1
begin
set @strTmp = ' <(select min '
set @strOrder = ' order by ' + @str + @fldName + ' desc '
-- 如果@OrderType不是0，就执行降序，这句很重要！
end
else if @OrderType = 0
begin
set @strTmp = ' > (select max '
set @strOrder = ' order by ' + @str + @fldName + ' asc '
end
else
begin
set @strTmp = ' NOT IN (SELECT TOP '
set @strOrder = ' order by ' + @str + @fldName + ' asc '
end
if @PageIndex = 1
begin
if @strWhere != ' '
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder
else
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' ' + @strOrder
-- 如果是第一页就执行以上代码，这样会加快执行速度
end
else
begin
-- 以下代码赋予了@strSQL以真正执行的SQL代码
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @fldName + ' ' + @strTmp + ' ( ' + @fldNames + ' ) from (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @fldName + ' from ' + @tblName + ' ' + @strOrder + ' ) as tblTmp) ' + @strOrder
if @strWhere != ' '
if ( charindex ( ' , ' , @str1 , 0 ) > 0 )
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @strWhere + ' and ' + @keyDate + ' not in (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @keyDate + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder + ' ) ' + @strOrder
else
set @strSQL = ' select top ' + str ( @PageSize ) + ' ' + @strGetFields + ' from ' + @tblName + ' where ' + @fldName + ' ' + @strTmp + ' ( ' + @fldNames + ' ) from (select top ' + str (( @PageIndex - 1 ) * @PageSize )
+ ' ' + @fldName + ' from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder + ' ) as tblTmp) and ' + @strWhere + ' ' + @strOrder
end
end
exec ( @strSQL )