分页存储过程(对有主键的表效率极高) ,以及在asp.net中配合LtpPageControl的用法

分页存储过程(对有主键的表效率极高) ,以及在asp.net中配合LtpPageControl的用法

    ---------------------------------
--用途：分页存储过程(对有主键的表效率极高)
--说明：
------------------------------------

CREATE     PROCEDURE UP_GetRecordByPage
    @tblName      varchar(255),       -- 表名
    @fldName      varchar(255),       -- 主键字段名
    @PageSize     int = 10,           -- 页尺寸
    @PageIndex    int = 1,            -- 页码
    @IsReCount    bit = 0,            -- 返回记录总数, 非 0 值则返回
    @OrderType    bit = 0,            -- 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 @strTotal varchar(2000)          -- 获取记录数合计语句
declare @strTmp   varchar(1000)        -- 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 @strSQL = 'select  top ' + str(@PageSize) + ' * from ['
    + @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
    + @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
    + @fldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'
    + @strOrder

if @strWhere != ''
    set @strSQL = 'select  top ' + str(@PageSize) + ' * from ['
        + @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
        + @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
        + @fldName + '] from [' + @tblName + '] where ' + @strWhere + ' '
        + @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder

if @PageIndex = 1
begin
    set @strTmp =''
    if @strWhere != ''
        set @strTmp = ' where ' + @strWhere

    set @strSQL = 'select  top ' + str(@PageSize) + ' * from ['
        + @tblName + ']' + @strTmp + ' ' + @strOrder

end


if @strWhere != ''
    set @strTotal = 'select  count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
else
        set @strTotal = 'select  count(*) as Total from [' + @tblName + ']'

exec (@strSQL)
if @IsReCount != 0
exec (@strTotal)
GO
在asp.net中的代码,本人采用三层架构,没有完全整理好,相信大家都能看的懂,呵呵~~~~~~~~~
1.html代码

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewMinutepage.aspx.cs"
    Inherits="GridViewMinutepage_" %>

<%@ Register Assembly="LtpPageControl" Namespace="LtpPageControl" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:GridView ID="GridView1" runat="server" Width="100%">
            </asp:GridView>
        </div>
        <cc1:Page02 ID="Page02_1" runat="server" Page_Index="GridViewMinutepage.aspx" />
    </form>
</body>
</html>
2.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;

public partial class GridViewMinutepage_ : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        int PageIndex = 1;
        if (!Page.IsPostBack)
        {
            if (Request.Params["page"] != null && Request.Params["page"].ToString() != "")
            {
                PageIndex = Convert.ToInt32(Request.Params["page"]);
            }
            else
            {
                PageIndex = 1;
            }
            dataBind(PageIndex, 5, "");
        }
    }
    /**//// <summary>
    /// 功能:分页控件应用
    /// 作  者  ：  PUKE
    /// 完成日期：  2007-05-28
    /// 版权所有：  pukesys@tom.com
    /// </summary>
    /// <param name="pageIndex">当前页</param>
    /// <param name="PageSize">每页几行</param>
    /// <param name="strSql">条件</param>
    public void dataBind(int pageIndex, int PageSize, string strSql)
    {
        Practice.BLL.authors bll = new Practice.BLL.authors();

        DataSet ds = bll.Minutepage("authors", "au_id", PageSize, pageIndex, 1, 0,strSql);

        this.GridView1.DataSource = ds.Tables[0].DefaultView;

        int record_Count = Convert.ToInt32(ds.Tables[1].Rows[0][0].ToString());

        int totalPages = int.Parse(Math.Ceiling((double)record_Count / PageSize).ToString());
        if (totalPages > 0)
        {
            if ((pageIndex + 1) > totalPages)
                pageIndex = totalPages - 1;
        }
        else
        {
            pageIndex = 0;
        }

        this.GridView1.DataBind();

        int page_Count = totalPages;
        int page_Current = pageIndex;

        Page02_1.Page_Count = page_Count;
        Page02_1.Page_Size = PageSize;
        Page02_1.Page_Current = page_Current;
    }
}
3.Minutepage函数
/**//// <summary>
        /// 功    能：分页
        /// 作    者：PUKE
        /// 完成时间：2007-05-28
        /// 版    权：pukesys@tom.com
        /// </summary>
        /// <param name="tblName">表名</param>
        /// <param name="fldName">主键字段名</param>
        /// <param name="PageSize">页尺寸</param>
        /// <param name="PageIndex">页码</param>
        /// <param name="IsReCount">返回记录总数, 非 0 值则返回</param>
        /// <param name="OrderType">设置排序类型, 非 0 值则降序</param>
        /// <param name="strWhere">查询条件 (注意: 不要加 where)</param>
        /// <returns>ds</returns>
        public DataSet Minutepage(string tblName,string fldName,int PageSize,int PageIndex,int IsReCount,int OrderType,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar,255),
                    new SqlParameter("@fldName",SqlDbType.VarChar,255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount",SqlDbType.Bit),
                    new SqlParameter("@OrderType",SqlDbType.Bit),
                    new SqlParameter("@strWhere",SqlDbType.VarChar,1000)
            };

            parameters[0].Value = tblName;
            parameters[1].Value = fldName;
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = IsReCount;
            parameters[5].Value = OrderType;
            parameters[6].Value = strWhere;

            return DbHelperSQL.RunProcedure("PR_MinutePage", parameters, "ds");
        }
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原文地址：https://www.cnblogs.com/puke/p/726709.html