sql2005存储过程分页及ASP.NET分页类的实现

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using CerEgip.DAL;
namespace CerEgip.Common
{
    /// <summary>
    /// 分页类,通过存储过程进行分页
    /// </summary>
    public class Pager
    {
        #region 参数
        private int pageIndex = 1;
        private int recordCount = 0;
        private int pageSize = 20;
        private int pageCount = 0;
        private int rowCount = 0;
        private string tableName = "";
        private string whereCondition = "1=1";
        private string selectStr = "*";
        private string order = "";
        private string procedure = "pager";
        private bool orderType = true;
        private string _FirstStr = "";
        private string _PrevStr = "";
        private string _NextStr = "";
        private string _LastStr = "";
        private string _TurnUrlStr = "";
        private string _Options = "";
        private string strCountww = "";  //共N条信息
        private string strPageww = "";    //第N页/共N页    
        private string strTurnww;  //跳转控件
        private string pageindexName = "page";



        /// <summary>
        /// 所要操作的存储过程名称,已有默认的分页存储过程
        /// </summary>
        public string Procedure
        {
            get
            {
                return this.procedure;
            }
            set
            {
                if (value == null || value.Length <= 0)
                {
                    this.procedure = "pager";
                }
                else
                {
                    this.procedure = value;
                }
            }
        }


        /// <summary>
        /// 当前所要显示的页面数
        /// </summary>
        public int PageIndex
        {
            get
            {
                return this.pageIndex;
            }
            set
            {
                this.pageIndex = value;
            }
        }


        /// <summary>
        /// 总的页面数
        /// </summary>
        public int PageCount
        {
            get
            {
                return this.pageCount;
            }
            set
            {
                this.pageCount = value;
            }
        }


        /// <summary>
        /// 总行数
        /// </summary>
        public int RecordCount
        {
            get
            {
                return this.recordCount;
            }
            set
            {
                this.recordCount = value;
            }
        }


        /// <summary>
        /// 每页条数
        /// </summary>
        public int PageSize
        {
            get
            {
                return this.pageSize;
            }
            set
            {
                this.pageSize = value;
            }
        }


        /// <summary>
        /// 表名称
        /// </summary>
        public string TableName
        {
            get
            {
                return tableName;
            }
            set
            {
                this.tableName = value;
            }
        }


        /// <summary>
        /// 条件查询
        /// </summary>
        public string WhereCondition
        {
            get
            {
                return whereCondition;
            }
            set
            {
                whereCondition = value;
            }
        }


        /// <summary>
        /// 查询目标(搜索目标),比如:AddTime AS 时间,ID AS 编号
        /// </summary>
        public string SelectStr
        {
            get
            {
                return selectStr;
            }
            set
            {
                selectStr = value;
            }
        }


        /// <summary>
        /// 排序表达式
        /// </summary>
        public string Order
        {
            get
            {
                return order;
            }
            set
            {
                order = value;
            }
        }
        /// <summary>
        /// 排序类型 true:asc false:desc
        /// </summary>
        public bool OrderType
        {
            get
            {
                return orderType;
            }
            set
            {
                orderType = value;
            }
        }
        /// <summary>
        /// 得到当前返回的数量
        /// </summary>
        public int RowCount
        {
            get
            {
                return this.rowCount;
            }
        }
        /// <summary>
        /// 首页 显示样式
        /// </summary>
        public string FirstStr
        {
            get { return _FirstStr; }
            set { _FirstStr = value; }
        }

        /// <summary>
        /// 上一页 显示样式
        /// </summary>
        public string PrevStr
        {
            get { return _PrevStr; }
            set { _PrevStr = value; }
        }

        /// <summary>
        /// 下一页 显示样式
        /// </summary>
        public string NextStr
        {
            get { return _NextStr; }
            set { _NextStr = value; }
        }
        /// <summary>
        /// 尾页 显示样式
        /// </summary>
        public string LastStr
        {
            get { return _LastStr; }
            set { _LastStr = value; }
        }
        /// <summary>
        /// 跳转 的url链接
        /// </summary>
        public string TurnUrlStr
        {
            get { return _TurnUrlStr; }
            set { _TurnUrlStr = value; }
        }
        /// <summary>
        /// 跳转的url链接的参数前面不要加问号和与号
        /// </summary>
        public string Options
        {
            get { return _Options; }
            set { _Options = value; }
        }
        /// <summary>
        /// 分页参数名称
        /// </summary>
        public string PageIndexName
        {
            get { return pageindexName; }
            set { pageindexName = value; }
        }
        #endregion 参数
        /// <summary>
        /// 分页查寻结果
        /// </summary>
        public DataTable GetDatas(int pageIndex)
        {
            this.pageIndex = pageIndex;
            Pager pager = this;
            DataTable returnTb = Pagination(ref pager).Tables[0];
            this.rowCount = returnTb.Rows.Count;
            return returnTb;
        }

        /// <summary>
        /// 分页操作存储过程函数
        /// </summary>
        /// <param name="pager">Pager</param>
        /// <returns>返回DataSet</returns>
        private DataSet Pagination(ref Pager pager)
        {
            SqlParameter[] par = new SqlParameter[8];
            par[0] = new SqlParameter("@TableName",SqlDbType.NVarChar,200);
            par[0].Value = pager.TableName;
            par[1] = new SqlParameter("@orderBy", SqlDbType.NVarChar, 200);
            par[1].Value = pager.Order;
            par[2] = new SqlParameter("@fieldlist",SqlDbType.NVarChar,200);
            par[2].Value = pager.SelectStr;
            par[3] = new SqlParameter("@WhereCondition", SqlDbType.NVarChar, 200);
            par[3].Value = pager.WhereCondition;
            par[4] = new SqlParameter("@PageIndex",SqlDbType.Int);
            par[4].Value = pager.pageIndex;
            par[5] = new SqlParameter("@pageSize",SqlDbType.Int);
            par[5].Value = pager.PageSize;
            par[6] = new SqlParameter("@RecordCount",SqlDbType.Int);
            par[6].Direction = ParameterDirection.InputOutput;
            par[7] = new SqlParameter("@PageCount",SqlDbType.Int);
            par[7].Direction = ParameterDirection.InputOutput;
            DataSet ds = SqlHelper.ExecuteDataset(CommandType.StoredProcedure,pager.Procedure,par);
            pager.RecordCount = (int)par[6].Value;
            pager.pageCount = (int)par[7].Value;
            return ds;
        }
        #region 返回分页后的页码显示
        /// <summary>
        /// 返回分页后的页码显示
        /// </summary>
        /// <param name="bolCount">是否显示 共N条信息</param>
        /// <param name="bolPage">是否显示 第N页/共N页</param>
        /// <param name="bolFirst">是否显示 首页</param>
        /// <param name="bolLast">是否显示 尾页</param>
        /// <param name="bolTurn">是否显示 跳转控件</param>
        /// <param name="IsChinese">是否 用中文显示</param>
        /// <param name="intStyle">样式选择 1:字符 2:符号</param>
        /// <param name="intShowNum">每页显示多少个数字</param>
        /// <param name="isHtml">是否HTML分页</param>
        /// <param name="exName">如果为HTML分页,要输入HTML后缀名</param>
        /// <returns>返回分页后的页码显示</returns>
        public string GetShowPageStr(bool bolCount, bool bolPage, bool bolFirst, bool bolLast, bool bolTurn, bool IsChinese, int intStyle, int intShowNum,bool isHtml,string exName)
        {
            string strPageShowww = "";
            string _FirstStr2 = "";
            string _PrevStr2 = "";
            string _NextStr2 = "";
            string _LastStr2 = "";

             #region 公共处理
            //总页数
            pageCount = (recordCount + pageSize - 1) / pageSize;

            //超出最小页码
            if (pageIndex < 1)
            {
                pageIndex = 1;
            }

            //超出最大页码
            if (pageIndex > pageCount)
            {
                pageIndex = pageCount;
            }


            if (IsChinese)//中文分页
            {
                //跳转
                strTurnww = "<input value='" + pageIndex.ToString() + "' id='txtPageGo' name='txtPageGo' type='text' style='35px;'><input name='btnGo' type='button' id='btnGo' value='跳转' onclick=\"javascript:window.location.href='" + _TurnUrlStr + "?Page=' + document.getElementById('txtPageGo').value + '" + "&" + Options + "'\">";
                //共N条信息
                strCountww = "共 " + recordCount.ToString() + " 条信息";
                //第N页/共N页
                strPageww = "第" + pageIndex.ToString() + "页/共" + pageCount.ToString() + "页";

                //处理页码显示样式
                if (intStyle == 1)
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = "首页";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = "上一页";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = "下一页";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = "尾页";
                    }
                }
                else
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " << ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " < ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " > ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " >> ";
                    }
                }
            }
            else//英文文分页
            {
                //跳转
                strTurnww = "<input value='" + pageIndex.ToString() + "' id='txtPageGo' name='txtPageGo' type='text' style='35px;'><input name='btnGo' type='button' id='btnGo' value='Goto' onclick=\"javascript:window.location.href='" + _TurnUrlStr + "?Page=' + document.getElementById('txtPageGo').value + '" + "&" + Options + "'\">";
                //共N条信息
                strCountww = "Total " + recordCount.ToString() + " Infos";
                //第N页/共N页
                strPageww = " " + pageIndex.ToString() + "/" + pageCount.ToString() + " ";

                //处理页码显示样式
                if (intStyle == 1)
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " First ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " Previous ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " Next ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " Last ";
                    }
                }
                else
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " << ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " < ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " > ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " >> ";
                    }
                }
            }
            #endregion
            
            //没有记录
            if (recordCount <= 0)
            {
                strPageShowww = strCountww;
            }
            //有记录
            else
            {
                //只有一页
                if (pageCount <= 1)
                {
                    strPageShowww = strCountww + "  " + strPageww;
                }
                //不止一页
                else
                {
                    //页码链接处理
                    #region 页码链接处理
                    //第一页
                    if (pageIndex == 1)
                    {
                        _FirstStr2 = _FirstStr;
                        _PrevStr2 = _PrevStr;
                    }
                    else
                    {
                        if (isHtml)
                        {
                            _FirstStr2 = "<a href=\"" + _TurnUrlStr + "_1." + exName + "\">" + _FirstStr + "</a>";
                            _PrevStr2 = "<a href=\"" + _TurnUrlStr + "_" + Convert.ToString(pageIndex - 1) + "." + exName + "\">" + _PrevStr + "</a>";
                        }
                        else
                        {
                            _FirstStr2 = "<a href=\"" + _TurnUrlStr + "?" + pageindexName + "=1" + "&" + _Options + "\">" + _FirstStr + "</a>";
                            _PrevStr2 = "<a href=\"" + _TurnUrlStr + "?" + pageindexName + "=" + Convert.ToString(pageIndex - 1) + "&" + _Options + "\">" + _PrevStr + "</a>";
                        }
                    }

                    //最后一页
                    if (pageIndex == pageCount)
                    {
                        _NextStr2 = _NextStr;
                        _LastStr2 = _LastStr;
                    }
                    else
                    {
                        if (isHtml)
                        {
                            _NextStr2 = "<a href=\"" + _TurnUrlStr + "_" + Convert.ToString(pageIndex + 1) + "." + exName+ "\">" + _NextStr + "</a>";
                            _LastStr2 = "<a href=\"" + _TurnUrlStr + "_" + pageCount + "." + exName + "\">" + _LastStr + "</a>";
                        }
                        else
                        {
                            _NextStr2 = "<a href=\"" + _TurnUrlStr + "?"+pageindexName+"=" + Convert.ToString(pageIndex + 1) + "&" + _Options + "\">" + _NextStr + "</a>";
                            _LastStr2 = "<a href=\"" + _TurnUrlStr + "?" + pageindexName + "=" + pageCount + "&" + _Options + "\">" + _LastStr + "</a>";
                        }
                    }

                    //----处理显示页码-----------
                    if (bolCount == true)//共N条信息
                    {
                        strPageShowww = strPageShowww + "  " + strCountww;
                    }
                    if (bolPage == true)//第N页/共N页
                    {
                        strPageShowww = strPageShowww + "  " + strPageww;
                    }
                    if (bolFirst == true) //首页
                    {
                        strPageShowww = strPageShowww + "  " + _FirstStr2;
                    }
                    strPageShowww = strPageShowww + "{0}";//上一页
                    strPageShowww = strPageShowww + "{1}{2}";//下一页

                    if (bolLast == true)//尾页
                    {
                        strPageShowww = strPageShowww + "  " + _LastStr2;
                    }
                    if (bolTurn == true)//跳转控件
                    {
                        strPageShowww = strPageShowww + "  " + strTurnww;
                    }

                    #endregion
                    #region 样式一: 共X条信息 第N页/共M页 首页 上一页 下一页 尾页  跳转
                    if (intStyle == 1)
                    {
                        strPageShowww = strPageShowww.Replace("{0}", "  " + _PrevStr2);//上一页
                        strPageShowww = strPageShowww.Replace("{1}", "  " + _NextStr2);//下一页
                        strPageShowww = strPageShowww.Replace("{2}", "");//
                    }
                    #endregion
                    #region 样式二: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转

                    if (intStyle == 2)
                    {
                        int PageTemp = 0;
                        string strPageNum = "";
                        string strTempNow = "";

                        //当页码超过最后一批该显示
                        if (pageIndex > pageCount - intShowNum + 1)
                        {
                            PageTemp = pageCount < intShowNum ? 0 : pageCount - intShowNum;
                            for (int i = 1; i <= intShowNum; i++)
                            {
                                if (i > pageCount) break;

                                strTempNow = Convert.ToString(PageTemp + i);

                                //当前页不显示超链接
                                if( PageIndex == PageTemp + i)
                                {
                                    strPageNum = strPageNum + "<b>" + strTempNow + "</b> ";
                                }
                                else
                                {
                                    if (isHtml)
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "_" + strTempNow + "." + exName + "\">" + strTempNow + "</a> ";
                                    }
                                    else
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?"+pageindexName+"=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a> ";
                                    }
                                }
                            }
                        }
                        else
                        {
                            for (int i = 0; i < intShowNum; i++)
                            {
                                strTempNow = Convert.ToString(PageIndex + i);

                                //当前页不显示超链接
                                if (i == 0)
                                {
                                    strPageNum = strPageNum + "<b>" + strTempNow + "</b> ";
                                }
                                else
                                {
                                    if (isHtml)
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "_" + strTempNow + "." + exName + "\">" + strTempNow + "</a> ";
                                    }
                                    else
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?P"+pageindexName+"=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a> ";
                                    }
                                }
                            }
                        }

                        //
                        strPageShowww = strPageShowww.Replace("{0}", "  " + _PrevStr2);//上一页
                        strPageShowww = strPageShowww.Replace("{1}", "  " + strPageNum);//显示数字
                        strPageShowww = strPageShowww.Replace("{2}", "  " + _NextStr2);//下一页
                    }
                    #endregion
                }
            }
            return strPageShowww;
        }
        #endregion

    }
}

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go


ALTER PROCEDURE [dbo].[Pager]
  @TableName nvarchar(200)            --查询表名1
 ,@orderBy nvarchar(200)              --排序表达式2
 ,@fieldlist nvarchar(200) = '*'      --查询的列3
 ,@WhereCondition nvarchar(200) = ''  --查询条件4
 ,@PageIndex int = 1                  --索引页5
 ,@pageSize int = NULL                  --每页数量6
 ,@RecordCount        int out          --总行数7
 ,@PageCount             int out      --总页数8
AS
  SET NOCOUNT ON
  DECLARE
     @STMT nvarchar(max)         -- SQL to execute

  IF LTRIM(RTRIM(@WhereCondition)) = '' SET @WhereCondition = '1 = 1'
  IF @pageSize IS NULL BEGIN
    SET @STMT =  'SELECT   ' + @fieldlist + 
                 'FROM     ' + @TableName +
                 'WHERE    ' + @WhereCondition + 
                 'ORDER BY ' + @orderBy
    EXEC (@STMT)                 -- return requested records 
  END ELSE BEGIN
    SET @STMT =  'SELECT   @RecordCount = COUNT(*)
                  FROM     ' + @TableName + '
                  WHERE    ' + @WhereCondition
    EXEC sp_executeSQL @STMT, @params = N'@RecordCount  INT OUTPUT', @RecordCount  = @RecordCount  OUTPUT
    --SELECT @RecordCount  AS RecordCount        -- return the total # of records

    DECLARE
      @lbound int,
      @ubound int

    SET @PageIndex = ABS(@PageIndex)
    SET @pageSize = ABS(@pageSize)
    IF @PageIndex < 1 SET @PageIndex = 1
    IF @pageSize < 1 SET @pageSize = 1
    SET @lbound = ((@PageIndex - 1) * @pageSize)
    SET @ubound = @lbound + @pageSize + 1
    IF @lbound >= @RecordCount  BEGIN
      SET @ubound = @RecordCount  + 1
      SET @lbound = @ubound - (@pageSize + 1) -- return the last page of records if                                               -- no records would be on the
                                              -- specified page
    END
    SET @STMT =  'SELECT  ' + @fieldlist + '
                  FROM    (
                            SELECT  ROW_NUMBER() OVER(ORDER BY ' + @orderBy + ') AS row, *
                            FROM    ' + @TableName + '
                            WHERE   ' + @WhereCondition + '
                          ) AS tbl
                  WHERE
                          row > ' + CONVERT(varchar(9), @lbound) + ' AND
                          row < ' + CONVERT(varchar(9), @ubound)
    EXEC (@STMT)                 -- return requested records 
  END

    --    获取总页数
    --    "CEILING"函数:取得不小于某数的最小整数
    SET @PageCount = CEILING(@RecordCount * 1.0 / @PageSize)